HP Forum Archive 19 Message Index

Message Index

All Messages

(Compressed "Threads Only" Listing)

HP-55 Value, 3 complete calculators, aj04062 0 responses
If you could...., Dimitri Simitas 4 responses
HP-Emulator 64 bit program versions, Christoph Giesselink 4 responses
Celestial Navigation softwarer for HP, juan demin 3 responses
9815 A/S displays available!, Joel Setton (France) 0 responses
HP11c - Swapping Internals Between Two, DavidShenk 5 responses
HP70 original box, Alberto Fenini 4 responses
Card Reader motor - doesn't spin smoothly, John Robinson 19 responses
HP-35 Bug: highest serial number?, Mark Henderson 5 responses
Curious question (OT): Green LEDs?, Maximilian Hohmann 13 responses
non-scientific LED calculator worth more than HP35 red dot?, Bart (UK) 6 responses
HP-41CX Memory Registers, Prabhu Bhooplapur 9 responses
HP-41 CX at ebay - reasonable price?, Timo 5 responses
10BII Display Problems?, JT 1 response
Sign of a new HP calculators prices inflation? , Xavier A. (Brazil) 2 responses
Almost a Red-Dot. It seems only to lack the hole!, Ignazio Cara (Italy) 9 responses
Hardest part about doing taxes, Michael Meyer 23 responses
HP-41C with unusual serial number ?, Marc Ferrer (France) 3 responses
HP-41CV with HP82106A, Dimitri Simitas 7 responses
[OT] Future Calculator Nut?, Tim Wessman 13 responses
HP-41CX beeps when turned on !!, Giovanni Jimenez 7 responses
The HP-71B “Math Machine” 25 Years Old, Marcus von Cube, Germany 1 response
Website update, Matthias Wehrli 1 response
Lagrangian Interpolation for the HP-67 and HP-41C, Namir 2 responses
HP200LX Connectivity Pack under Windows 7, Mike (Stgt) 5 responses
OT: Computer Archeology 2010, Johnny Bjoern Rasmussen 7 responses
Interesting HP41CV?, Dimitri Simitas 2 responses
HP logo upside down = DY, happened a long time ago, Don Shepherd 2 responses
HP-97 Print Intensity Mystery, Michael de Estrada 4 responses
Squaring the circle: all-MCODE Bessel functions, Ángel Martin 13 responses
Better fitting case for a HP-41C?, Dimitri Simitas 7 responses
Heinz Haber and his 35 / german TV show, Thomas Radtke 0 responses
Serial no of HP48GX, matti 4 responses
In praise of dirty calculators-- again., Michael Meyer 8 responses
xThink Calculator, hpnut 8 responses
Cleaning HP48 keys NON-INTRUSIVELY, Angus 6 responses
Barcode generator for Optical Wand?, Timo 2 responses
HP41 Optical Wand - how to open plug ?, John Robinson 2 responses
Pictures of Time Module for HP 41 series?, Timo 2 responses
HP38G/39G/48SX/48GX./49G Emulator now availble for iPhone/iPod Touch, Steve Simpkin 6 responses
Random Number Generation Challenge (sort of), Namir 9 responses
Woodstocks - the new gold standard?, Michael de Estrada 33 responses
Classic display segment intermittent - cause?, Mark Henderson 2 responses
Calculator sale value-- will it persist?, Michael Meyer 15 responses
HP41 MLDL2000 new version of M2kM, Meindert Kuipers 2 responses
So I got the printed HP35 manual, Dimitri Simitas 13 responses
For the Door That Has No Equal, db (martinez, ca.) 6 responses
New Article: HP 41c translator overlay for 71b, Allen 0 responses
HP-29C Behavior that is odd!, Jeff Davis 1 response
Any sightings of the 30b yet? (n/t), Peter A. Gebhardt 0 responses
Suggestions for HP41C, Dimitri Simitas 12 responses
Feeling older, Palmer O. Hanson, Jr. 50 responses
32s won't power on, Dave Britten 9 responses
HP29C strange behavior, Alberto Fenini 14 responses
Mysterious HP-19C power-on behavior-- solved with interesting cause., Michael Meyer 16 responses
HP-15C Enter Key Behaviour, Timo 2 responses
Interesting Pairing, Norman Dziedzic 7 responses
Hp 41C in excellent condition, Nigel Bamber 7 responses
Plexiglas replacement, Alberto Fenini 5 responses
Early (Buggy) HP-35 - Insides, Mark Henderson 3 responses
HP - Quo vadis?, Frido Bohn 49 responses
Look what I found for $50 USd; off topic but I think you will like the photos., Geoff Quickfall 11 responses
SandMath - Reloaded, Ángel Martin 2 responses
Collection display, Michel Beaulieu 1 response
PIL-box <- EMU41 <- Dosbox <- Linux, Geir Isene 1 response
HP gee-whiz question (batteries), megarat 8 responses
Symbolic Calculus 50g, Shu Y Pong 1 response
O.T. runaway car, designnut 28 responses
OT: Apple iPad, Don Shepherd 36 responses
Metric vs. US model of HP 50g, Eric Smith 77 responses
HP41 Mcode: SELPF arguments, Meindert Kuipers 3 responses
HP-27S Successful LCD transplantation, Lyuka 0 responses
OT: Retro programmable makes comeback., Egan Ford 2 responses
TI RPN Simulator, db (martinez, ca.) 3 responses
special characters on hp71b + hp-il + 82162a ?, John Ioannidis 1 response
Future Value Problem, right?, Anthony Baldwin 10 responses
30b Repurposing Concept, Jeff O. 23 responses
Refurbished HP calcs?, DaveJ 1 response
HP-42S work-around for sticking to low contrast LCD problem, Lyuka 2 responses
"The Swiss Army Knife for nerds", David Hayden 26 responses
emu42 on Win7-64bit, Mike (Stgt) 2 responses
Keyboard Complaints, Tim Wessman 41 responses
Calendar withdrawls, Bruce Bergman 5 responses
Another 30b program!, hugh steers 3 responses
OT: Canon X-07, Saile (Brazil) 2 responses
HP41C strange display behaviour, Alberto Fenini 1 response
example of 30b program, Don Shepherd 14 responses
the 35s pol<>rec program, db (martinez, ca.) 5 responses
HP-35s in Hex mode, Joel Setton (France) 8 responses
32sii: FLOOR function, Dave Britten 21 responses
The forensics algorithm for the 10s, Palmer O. Hanson, Jr. 4 responses
TI-59 LED intensity, Michael Meyer 15 responses
48G series ROM question, Ed Look 2 responses
Almost O.T.: rarity and prices..., Vieira, Luiz C. (Brazil) 21 responses
HP 97 keyboard and more issue., Ignazio Cara (Italy) 6 responses
MCODE (what else?): Creating a new ROM from the 41 --> Transfer?, Geir Isene 16 responses
Hypothetically - How would you flash a 35s?, JJB299 26 responses
= key on HP 33s, Don Shepherd 2 responses
MCODE tools: Asking for your opinion, Geir Isene 3 responses
30b missing the mod function?, hugh steers 19 responses
Ok... Own up! Who amongst you put this 15c description on eBay?, Mohammed Hadi 13 responses
HP-45, strange key response, Thomas Radtke 8 responses
OT: Sequential Boolean Analyzer, Katie Wasserman 4 responses
HP 12C Questions, Randy Wood 11 responses
HP 35S --- 2*2 lin. solve bug, Maarten Ambaum (Reading, UK) 17 responses
Which HP calc emulator? Which phone? , vq 7 responses
HP 35s Hardcase Issue, Luke Hoffmann 12 responses
HP 34c battery voltage voltage, Hiawatha Wheelwright 5 responses
HP-41: Has anyone used the Laitram rom?, Geir Isene 13 responses
SandMath 6 -> NoV: Error, Geir Isene 3 responses
HP-IL a summary QRG/top 10 commands, Geir Isene 10 responses
48sx compared to 50g, Hiawatha Wheelwright 29 responses
OT: Dennis (db) - Your bid is welcome!, Joerg Woerner 2 responses
ICEBOX version 1H released, Geir Isene 2 responses
A tribute to Diego Diaz and Ángel Martin, Geir Isene 3 responses
OT but topical: Youtube and Maths, bill platt 1 response
30b programming environment, Don Shepherd 21 responses
HP9830A, Dylan Watkins 2 responses
HP-35s: Better in ALG mode?, Silvio A. Bensi 37 responses
HP 35s keyboard weirdness, Hiawatha Wheelwright 6 responses
Mysterious HP-19C power-on behavior, Michael Meyer 7 responses
HP-35 and HP-80: Flashing display differences?, Mark Henderson 3 responses
MLDL2000 Manager software: new BETA version, Meindert Kuipers 10 responses
48G keyboard weirdness, Lincoln 5 responses
New 41Z Manual available at last, Ángel Martin 8 responses
HP-41 turn-on behavior, Paolo Cipollone 13 responses
Opening HP41C, Alberto Fenini 2 responses
A humble request, if I may..., Vieira, Luiz C. (Brazil) 0 responses
Simulate "load" (or whatever) of batteries in classics hooked to chargers?, Paul Brogger 14 responses
OT: Thommen altimeters, Ignazio Cara (Italy) 0 responses
classic chassis with a crack, Alberto Fenini 7 responses
My HP 35s keyboard improvements, kiril t 25 responses
OT: The uCalc is born, DaveJ 21 responses
Two Interesting BigNum Stories (Via Slashdot), Les Bell 4 responses
HP Viper board spotted on ebay, john as (UK) 1 response
MK-161, KoenDV 2 responses
MCODE: Where these last posts are heading: A function called "NSG", Geir Isene 12 responses
HP300s smartcalc error, Scott Smith 8 responses
Fix Spice with unsoldered chips?, Paul Brogger 9 responses
HP41CV Warranty, Just keep your receipt ..., Raymund Heuvel 1 response
OT: Phosphor Watches - E Ink Displays, Gerry Schultz 14 responses
First Pocket Calculator with LED Display?, Joerg Woerner 9 responses
HEPAX VASM listing?, Geir Isene 9 responses
HP-01 stylus, Alberto Fenini 1 response
HP97 restore project, Alberto Fenini 9 responses
MCODE: Bright idea for executing an address instead of a GOTO ADR (h1E0)?, Geir Isene 10 responses
HP12C - SST in RUN-Mode doesn't work correctly, twanke 11 responses
Dropped HP41CX (carpeted floor), no longer working, jim540 29 responses
The 20s is apparently faster than the 32sii, Dave Britten 48 responses
Old brochure from 1982, Johnny Bjoern Rasmussen 0 responses
I got jinxed: Need help from an Mcode/NoV pro, Geir Isene 6 responses
Happy 2010, Walter B 19 responses
ICEBOX.ROM version 1G released + Happy New Year, Geir Isene 1 response
The best way to save a HEPAX block to mass storage?, Geir Isene 1 response
50g easter eggs, Glenn Shields 6 responses
HP nut CPU and illegal instruction sequences, Håkan Thörngren 9 responses
HP50g switch between USB to SERIAL, fabrice 8 responses
NiCd Lady Company Review (battery rebuild), Egan Ford 1 response
HP 42S simulators on ipod touch--I answered my own question, bill platt 5 responses
HP-41CX motherboard, Michel Beaulieu 3 responses
O.T. What kind of math?, designnut 3 responses
HP 12-C on the Android, Dale Wyckoff 4 responses
Series 80 site disruption , Vassilis Prevelakis 1 response
Back to MLDL2000: I did it again..., Vieira, Luiz C. (Brazil) 2 responses
Where can one get new three-pronged plugs for Classic series chargers? >>, tim m. 7 responses
OT, Mad Dog eBaycalcnut 14 responses
How to get a txt file on the stack (50g), ferroburak 2 responses
MCODE: Using the HP-16C as a tool, Geir Isene 6 responses
Meindert, guys: I think you´re gonna like this!, Vieira, Luiz C. (Brazil) 4 responses
Woodstock Security Cradle - Keys lost, Alberto Fenini 5 responses
knockoffs, JDonley 15 responses
HP30b - leapfrogging the competition ..., Peter A. Gebhardt 10 responses
O.T. planned obsolescence, db (martinez, ca.) 9 responses
Mathematician of the day, Bill Zimmerly 4 responses
To Luiz Vieira, R Lion (Spain) 0 responses
SmartCalc 300s, Matthias Wehrli 1 response
HP Classic with new electronics (a la uCalc/uWatch?), Mark Henderson 26 responses
The best and faster and more sophisticated calculator of the world :-), Saile (Brazil) 4 responses
OT: Holes in Stainless, Paul Brogger 25 responses
hp motherboard, Karen Smearsoll 4 responses
OT: uCalc proto, DaveJ 52 responses
630 USD for a 15c on Ebay!, Jose Gonzalez Divasson 13 responses
Use of Armor-All?, tim m. 10 responses
hp50g grobs, Glenn Shields 7 responses
41Z Keyboard Overlay - The Final Cut, Ángel Martin 5 responses
Display technology, David Hayden 5 responses
Really really OT, Don Shepherd 9 responses
Regarding MLDL2000 'cosmetics' & more, Jeff Davis 1 response
HP 85B tape drive, Leonard Adcock 2 responses
OT: basic arithmetic functions, Thomas Klemm 2 responses
Restoring Classics: 409 removed some lettering!, Mark Henderson 12 responses
My concept for a 20b repurposing project, Jeff O. 31 responses
SpeedUI - Important update to v. 9.08, Raymond Del Tondo 1 response
Advice on HP-25 repair, please., Michael Meyer 3 responses
TVM bug in HP 20b?, Daniel Castro 11 responses
hp 35s Odd Behaviour: Fractions in Complex Numbers, Mohammed Hadi 10 responses
OT: Do 12 yrs old kids need graphing calcs?, Frank Rottgardt 37 responses
OT: uCalc Processor, DaveJ 9 responses
Not Clueless, Doug 2 responses
Wristwatch Gadget [OT ish], MikeT. 2 responses
HP ALERT for HP49G+/HP50, Mike Reed 1 response
Faulty disk drive in 9114B ?, inaki 6 responses
Broken Rom/Ram switch on RAMCARD, bill platt 5 responses
OT: Objectified, Egan Ford 24 responses
42s Statistics Problem, Norman Dziedzic 11 responses
[O.T.] A collector's question , Palmer O. Hanson, Jr. 2 responses
HP97 restore project, Alberto Fenini 2 responses
A little gem in the DVD 7, J-F Garnier 0 responses
Cosine for fun, Chuck 6 responses
HP-38E chips layout, Alberto Fenini 3 responses
HP50G SD card is popping out, Patrick Rendulic 7 responses
HP17b & it's offsprings - Random Number Generator - How?, Peter A. Gebhardt 29 responses
Deoxit: now that I have it, how do I use it?, Michael Meyer 3 responses
Upgrade to HP Museum DVD Set Version 7.0, Gerry Schultz 1 response
HP 42S - intermittent rows nonfunctional, Rob Welch 2 responses
An HP-42S fix success, and a contrast problem, DavidShenk 19 responses
In Praise of Dirty Calculators, Michael Meyer 2 responses
HP41 system ROM related - versions and compatibility, Vieira, Luiz C. (Brazil) 14 responses
HP-25 erratic behaviour, Alberto Fenini 23 responses
Machine accuracy behaviour of the hp-35s and other models, Mohammed Hadi 42 responses
Dosbox + EMU41 problem, Geir Isene 3 responses
HP 34C repair, aurelio 19 responses
Meeting held yesterday in western Denmark, Johnny Bjoern Rasmussen 3 responses
Why the theta choice for complex number display in polar form on the HP35s ?, Mohammed Hadi 11 responses
Topcat HP-97 with very dim LEDs, Michael de Estrada 9 responses
All rightmost keys on HP 22s not working., gerry martinez 2 responses
17bII german manual?, Tim Wessman 9 responses
Are HP and TI cables interchangeable, ferroburak 5 responses
HP42S battery failure, Colin McKenzie 0 responses
Happy Thanksgiving, David Hayden 3 responses
Max degree of polynomial a hp 50g can solve?, ferroburak 1 response
HP-25 battery pack, Steven Green 11 responses
How to work Hp50g programs on computer?, ferroburak 30 responses
ON key worn out on an HP32S2 - is there still hope?, Mike (Stgt) 4 responses
2012 - Is this the End?, Joerg Woerner 28 responses
HP calculator electrical engineering, Frank Boehm (Germany) 1 response
OT: Texas eZ430-Chronos WiFi, Saile (Brazil) 3 responses
MLDL2000 'cosmetics' & more, Vieira, Luiz C. (Brazil) 10 responses
Will a micro sd card fit Hp 50g?, ferroburak 6 responses
50G bug in SEQ command?, David Hayden 0 responses
#2 key problem, china mfr, hp12c, and/or others, stephen levine 7 responses
Another University of Houston calculator contest, David Hayden 5 responses
HP41 ROM images related: I didn´t see that comming..., Vieira, Luiz C. (Brazil) 7 responses
7470A Plotter Pens/Paper?, Egan Ford 3 responses
HP 17BII+ Financial Calculator simulator available for iPhone, Steve Simpkin 2 responses
Rounding errors, BruceH 4 responses
The new DVD Set Version 7, Namir 9 responses
Wrist-PDA for Dave, bill platt 1 response
HP 71B Zenwand Manual Prease, Saile (Brazil) 2 responses
HP41 ROM module versions: anyone?, Vieira, Luiz C. (Brazil) 22 responses
Heft, Palmer O. Hanson, Jr. 15 responses
41Z Red Shift taking shape., Ángel Martin 13 responses
TI calculator collection, Michael Meyer 30 responses
Must be my lucky day., Stuart Sprott 35 responses
Hoping my 41CX Found a good home, Norman Dziedzic 5 responses
For those that did the NIST tour at HHC2009, BruceH 4 responses
Pioneer series internal photo (17BII, 27S, 42S) , Lyuka 4 responses
[OT] A couple Casio "Slim" calcs available (for RPN apps), Matt Kernal 4 responses
HP 42s Stack Save/Restore Tool, Dave Britten 2 responses
41 MCODE: RCL Math Summarized, Ángel Martin 3 responses
An idea for repairing Spice series machines with keyboard problems, Lincoln R. 17 responses
New (Cheap!) Voyager Emulators For iPhone, Anders Peterson 7 responses
uCalc, DaveJ 126 responses
HP41 Coconut: LCD blanks in Standby mode, Vieira, Luiz C. (Brazil) 3 responses
HEPAX chain broken - and fixed, Geir Isene 8 responses
RPN-like STO/RCL on RPL calculator, David Hayden 4 responses
Is the HP33S is the only game in town?, John Noble 28 responses
32s problems, Lincoln R. 4 responses
A happy buyer :-), Saile (Brazil) 5 responses
alternate documentation for 50G, Glenn Becker 1 response
Forth Day, Eric Smith 1 response
Update to m48 HP48GX emulator for the iPhone, Steve Simpkin 2 responses
A useful HP-50G program to keep the DIRs clean..., Bill Zimmerly 4 responses
HP17b Solver Function, Roland Storz 5 responses
16 segment Led display would mimic a HP-41 display?, Giuseppe Marullo 3 responses
Form factor for calculators, David Hayden 58 responses
[Completely OT] Capeesh, Antonio Maschio (Italy) 15 responses
HP 75, Charles Oxford 2 responses
HP-200lx, Geoff Quickfall 10 responses
OT -- Ulimate Calculator Design Artcile, Katie Wasserman 1 response
Why not 49g+?, ferroburak 19 responses
Direct current circuit analysis program, ferroburak 3 responses
General Electric CE 93 RPN calculator - and more..., Joerg Woerner 0 responses
Indefinite integral calculation with 49g+/ 50g , ferroburak 7 responses
42S on iPod Touch: OFF function behavior (bug?), Andrés C. Rodríguez (Argentina) 18 responses
Decimal to octal conversion for the HP-12C, Kalevipoeg 0 responses
Laplace transforms, ferroburak 6 responses
OT CASIO FX-5400P $$$, Saile (Brazil) 3 responses
Lambert W (HP-12C+), Gerson W. Barbosa 10 responses
Need help with HP 48sx file transfer, Martin Pinckney 16 responses
Do other brands also have buggy calcs?, Jean-Michel 30 responses
University of Houston Calculator Contest, David Hayden 12 responses
Free42 for iPhone/iPod Touch just landed, Dave Britten 13 responses
HP67 doesn't turn on without battery pack?, Gabriele Zaverio 21 responses
HP 41CX release date?, Egan Ford 1 response
Plugger challenge, BruceH 7 responses
blowin' shite oop, db (martinez, ca.) 10 responses
O.T. Are you a plugger?, Palmer O. Hanson, Jr. 25 responses
HP 9810A - current value?, DavidShenk 12 responses
CEO of Royal Bank of Scotland uses an HP, Nigel Bamber 9 responses
Question about how HP Math pacs calculate Bessel Functions!, Namir 5 responses
HP-41 Bar Code Printing, Gerry Schultz 8 responses
MLDL2000 update, Meindert Kuipers 1 response
Trying to contact Michel Beaulieu, Vieira, Luiz C. (Brazil) 0 responses
Opening a Woodstock external charger?, John Garza 9 responses
HP 33S Advanced uses of logarithmic functions, Naseer Norris 17 responses
PIL-Box meet DOSBox, Egan Ford 3 responses
Need help with HP82164A HP-IL/RS232 Interface, Ilyas B. 11 responses
DeSoldering SMD Components easily!!! - Chipquik, Thomas Chrapkiewicz 1 response
HP-15c/12c for google android?, palmheads 4 responses
OT:Cronus 3-S, Saile (Brazil) 0 responses
My Collection has Reached the Century Mark, Michael de Estrada 12 responses
Early HP-80 number keys and front label, SteveC 0 responses
Repainting silver trim on a 35?, tim m. 3 responses
Cases for 38E/C, Peabody 10 responses
a hammer is only a tool, Don Shepherd 6 responses
OT: I wish all companies listened and responded like this!, DaveJ 8 responses
HP42s / HP35s Schematics, Thomas Chrapkiewicz 29 responses
41 "Second Shift", Ángel Martin 7 responses
The perfect HP for the kitchen?!, Mark Edmonds 6 responses
HP9835 system, Bo in Lund (SE) 2 responses
HP38C "6" key repair, Peabody 6 responses
the future of programmable calculators?, Herbert Crepaz (UK) 9 responses
It's come to this . . ., Martin Pinckney 13 responses
HP-20S Manual?, Tom McCaffrey 1 response
hp 9815a/s program tapes, frankabc 3 responses
What calc for my 7 years old son?, Jose Gonzalez Divasson 22 responses
uBASIC, Thomas Chrapkiewicz 4 responses
Score one more for the 33s, Palmer O. Hanson, Jr. 1 response
In Need of Calculator Advice, Anders Peterson 33 responses
IR link for HP 28s, Frank Rottgardt 7 responses
MLDL2000, Clonix/NoVRAM/NoV32, PILBox ... Users/Owners? New stuff?, Vieira, Luiz C. (Brazil) 6 responses
How you know you're getting older..., Michael Meyer 6 responses
Totally off-topic but still calculator related, hecube 2 responses
David Shenk´s 'Soldering Upgrades in my 42s': any success?, Vieira, Luiz C. (Brazil) 5 responses
Circuit Cellar: HP20B, repurposing a development platform, Hubert Weikert 7 responses
OT: Tutorials for R statistical language, Namir 8 responses
How about a poll to liven things up (some more!), Martin Pinckney 19 responses
Very OT, but calculator anyway, Johnny Bjoern Rasmussen 17 responses
New book on HP published by Chuck House, Steve Leibson 0 responses
41: All that HYPe about..., Ángel Martin 13 responses
HP 17BII+ BUG, Nacho 3 responses
The solution to the quartic equation on the HP50g (long), Crawl 5 responses
Testing an HP82242 IR Module with a digital camera (or...), Vieira, Luiz C. (Brazil) 7 responses
At least some companies listen (or check the auctions), Jonathan Eisch 58 responses
HP-12C mini-challenge (e^pi), Gerson W. Barbosa 30 responses
Soldering Upgrades in my 42s, DavidShenk 15 responses
HP20b repurposing, hugh steers 7 responses
>-->-->-->--> HP17BII+ disassembled and...surprise ( at least for me ), Nacho 3 responses
Fibonacci Sequence, Mike T. 29 responses
W&W RAMBOX 64K with DIP-Switches, Christoph Giesselink 2 responses
HP 42S sells for < $100 H**l freezes, Michael de Estrada 25 responses
Questions about speeding up 48sx, Martin Pinckney 9 responses
HP42S upgrade and opening... pictures ;-), geoff quickfall 3 responses
FSl164A hp-il/RS232 Interface Power Supply, Andy Delano 5 responses
restoring an HP-01 keyboard, Alberto Fenini 7 responses
41 RCL MATH - 30 years later..., Ángel Martin 2 responses
Another iPhone/iPod Touch HP-48GX emulator, Steve Simpkin 1 response
Ignorant TAS Seller!, Michael de Estrada 5 responses
Connecting HP-110 to a 9122D floppy drive, John AS (UK) 4 responses
Silver line above on-off swiths Classics, Ronald 1 response
Programming HP-42S, Howard Jones 2 responses
Help with credits in the book, please., Geoff Quickfall 17 responses
Programming with the 200LX, R.J. Soto 10 responses
Happy day - Triple speed 15C - after 22 years, Lyuka 15 responses
Topcats, HP82143A and HP82161/82162 Battery Pack, Vieira, Luiz C. (Brazil) 7 responses
HP95LX and IrDA / SIR Interfaces, Thomas Radtke 4 responses
HP 48GX connection to Laptop, Aubrey (South Africa) 6 responses
Spec of dust in a 16C LCD screen, R.J. Soto 4 responses
A few more pictures: Spice series, Vieira, Luiz C. (Brazil) 4 responses
Relying on old technology, Juan J 29 responses
OT sort-of: Reverse Engineering Calculator OS, Chuck 4 responses
41CX Startup Program?, Egan Ford 12 responses
How do you sell your HP calculators?, R.J. Soto 82 responses
Pil Box ... works like a charm !, Sean Connor 17 responses
HP-01 adjustable bracelet, Alberto Fenini 2 responses
10C batteries, John Mosand 0 responses
HP-01 help needed, Alberto Fenini 7 responses
HP50G related: is it just me or this is new?, Vieira, Luiz C. (Brazil) 2 responses
HP20 and USB as showed at HHC, cyrille de Brebisson 7 responses
HP-35 screw dimension, Andreas Grund 6 responses
Need advice: 48SX battery leak repair, Scott Newell 3 responses
The HP-01 of our time, hecube 11 responses
HP-IL 2009, Egan Ford 23 responses
Low tech HP calculator on eb**, Martin Pinckney 3 responses
I'm back! (...and HP stuff, of course...), Vieira, Luiz C. (Brazil) 8 responses
Is an HP-10 worth $700?, Michael de Estrada 16 responses
HP 42S Programming, Howard Jones 3 responses
HP-67 Battery Pack, AlbertTocarLoseggs 5 responses
Off topic but still electronics..., Geoff Quickfall 6 responses
Woodstock feet replacements?, Michael Meyer 6 responses
compiled local variable, DK2ZA 5 responses
A great HP Watch (15C) replacement?, artur - brazil 13 responses
Accuracy by chance, Javier Goizueta 13 responses
HP41C issue: beeps, but the display does not work , Nenad (Croatia) 12 responses
HCC2009 and the NIST tour, Geoff Quickfall 1 response
WOW talk about your retro calculator HP 9100A, Donald Williams 8 responses
LCD displays life expectancy, hecube 10 responses
Profanity free iPhone calculator application, BruceH 8 responses
Connecting HP 48GX with PC via Conn4x....help!!!, juan demin 19 responses
Spice question, Paul Dale 3 responses
RPS, Paul Dale 3 responses
9830A Repair, Sebastian Kelz 4 responses
Warning: GRiD cards ad for 48GX, Richard Reed 3 responses
Live from HHC2009, Namir 15 responses
Thought experiment:: creating great hardware assuming software will follow, Hugh Evans 23 responses
HHC 2009, sjthomas 8 responses
HP 41CX locked in program mode, Steve Leibson 7 responses
200LX date format in filer - What determines it's format?, Peter A. Gebhardt 0 responses
Proposed Small Calculator, Ron Kok 36 responses
HP 49g+ unit conversion problem, T.M. Baxter 10 responses
HP-25 Battery Pack, Andreas Grund 17 responses
Classic LED displays, John Robinson 5 responses
Tipoff: HP-41 stuff , Martin Pinckney 2 responses
Well my boss is in space now..., hecube 2 responses
HP-IL interface cables, John Pierce 1 response
Say with me: "Natural Complex Entry", Ángel Martin 5 responses
[resolved] HP49G+ doesn't turn on, k.mart 21 responses
If I own a software am I allowed a backup copy , Charles Oxford 3 responses
Texas HP Module $$$$, Saile (Brazil) 18 responses
(deleted post), deleted 0 responses
Navigation module, juan demin 0 responses
12C+, Charles Oxford 1 response
Spice series issues, Kevin Manley 9 responses
MCODE Keith Numbers, PeterP 0 responses
HP 34C, Howard Jones 7 responses
Mini review: m48, another 48GX for the iPhone, Egan Ford 12 responses
INFORM, Jan Kromhout 13 responses
Things that surely will condemn us to HP Hell, Sean Connor 15 responses
HP-41 I/O Circuit Strip, Stephan Gloor 0 responses
HHC 2009 only 1 week away...who is coming?, Gene Wright 18 responses
Hp 71b power fault, Sean Connor 1 response
OT: BA 2 Plus TI , Nigel Bamber 3 responses
HP-97 diagnostics, Bruce Bergman 6 responses
Trivia: Which HP can't display its own programs?, Mark Edmonds 2 responses
hp 9815a/s repair, frankabc 33 responses
Why is x^2 shifted?, Frank Rottgardt 25 responses
gamma approximation in 48/49/50?, Eric Smith 19 responses
N-type Zinc Battery, Gerson W. Barbosa 2 responses
TI Aims Lawyers at Calculator Hackers, jacksonconsult 10 responses
(deleted post), deleted 2 responses
silver band rubbing off..., juan demin 11 responses
HP 42S what can we do with a 2nd rom?, nacho 3 responses
32sii Quality over time..., Michael Plant 6 responses
"Why Rechargeable Batteries Are Rarely Cost Effective", Egan Ford 11 responses
db: You miss an important non-HP RPN calculator!, Joerg Woerner 4 responses
RPN, db (martinez, ca.) 18 responses
HP-41Z module ready (at last), Ángel Martin 7 responses
Collection Redundancy, Michael de Estrada 16 responses
Program speed from sd card, Iqbal 4 responses
Hotel room sharing at conference?, Eric Smith 0 responses
What type of caps are used in Classic power supply?, Dan W 8 responses
Are there any calculator manufacturers out there..., hecube 20 responses
Latest HP-35 with the "bugs"?, Michael de Estrada 1 response
A ridiculous idea: what if HP sells calculator hardware & software seperately, KC 36 responses
Working on a 9114B HP-IL Disk Drive, Gerry Schultz 5 responses
'Begin' message in display, Stacey Bower (Oregon) 2 responses
HP ALERT for HP49G+/HP50, Mike Reed 2 responses
Travelling to HHC2009 from outside the US, Wlodek Mier-Jedrzejowicz 0 responses
Mystery calculator - not a calculator?, Joerg Woerner 22 responses
Classic Series Logic Board - Desoldering Temp ?, John Robinson 7 responses
Question about HP-IL Printer, Namir 9 responses
HP simulator for Nokia smartphones?, Jim P 2 responses
"Hard Problems" Moves to Television, Egan Ford 3 responses
Help - broken HP-25, Paul Dale 12 responses
HP-21 simulator for iPhone/iPod, Steve Simpkin 7 responses
32SII SQRT(NEG), Marnus Malan (RSA) 20 responses
HP's "Blue Mauritius" up for auction, Rainer Wiedemann (Germany) 10 responses
Restoration of an HP-15C, Karl-Ludwig Butte 7 responses
Complex Gamma Function... revisited, Angel Martin 13 responses
If I do this..., hecube 19 responses
replacement for nylon balls in HP97 card reader, Alberto Fenini 6 responses
41-MCODE: IND/ST/MATH in prompting, Ángel Martin 5 responses
Nestler slide rule, Peter Klein 0 responses
Dirk Dykson of H-P?, Karl Schneider 9 responses
O.T. Timers, designnut 4 responses
HP-41CX in Space SpaceLab Exhibit (hecube take note), Dan W 17 responses
Woodstock LED Cover Replacement?, Michael de Estrada 5 responses
Slide Rule Apps for the iPod/iPhone, Howard Owen 15 responses
Breaking news., Pal G. 4 responses
Chess on the HP-200LX, Xerxes 1 response
Toward a more user-friendly Forum, Martin Pinckney 9 responses
HPGCC, Jan Kromhout 0 responses
Old School Calculators Still Do It For Some, Egan Ford 13 responses
HP48SX accuracy questioned., Pal G. 3 responses
High-end calculators in the WSJ, J-F Garnier 15 responses
spice battery contacts repair (or replacement), Alberto Fenini 1 response
Searchable PDFs/HP41 manual/Slightly Off Topic, Kevin Kitts 13 responses
HP 50 as a stop watch., Stuart Sprott 3 responses
Out of curiosity, HP calculators in movies or TV series?, hecube 6 responses
HP50g - very inaccurate clock?, Mark Edmonds 13 responses
HP 48 serial cable but no serial port in laptop, juan demin 10 responses
HP 35s modification: Matte LCD cover (and LCD re-alignment), Dallas Osborne 3 responses
Help with HP 29C, George 5 responses
Designing a calculator housing, Thomas Radtke 5 responses
Prototype serial numbers, Keith Midson 3 responses
HPGCC and Steamtable Calculations (IF97), Jan Kromhout 7 responses
41C external power options?, Egan Ford 11 responses
HPAPINE, Jan Kromhout 3 responses
Mystery calculator, hecube 5 responses
HP 48G vs HP 50G, Mendl Lategan 17 responses
Update: ICEBOX 1F, Geir Isene 3 responses
Challenge: Open-ended Dice on the HP-41, Geir Isene 2 responses
HPGCC.ORG ??????, Jan Kromhout 1 response
Has anyone ever seen this? ASTP HP-65 checklist, hecube 6 responses
Challenge: Keith numbers, Don Shepherd 13 responses
HP41CX x Psion LZ64., Saile (Brazil) 7 responses
Origin of the beep melody, hecube 0 responses
Need to contact Ed Austin, Giovanni Jimenez 0 responses
HP71B mains adaptor, P.Hart 5 responses
HP71B LEX files, P.Hart 2 responses
Vintage Computer Festival East, David Hayden 0 responses
For those who are interested in : i59 available on Appstore, Jean-Michel 8 responses
HPAPINE, Jan Kromhout 7 responses
HP-42s Memory Upgrade, DavidShenk 13 responses
To Étienne / Pour Étienne, hecube 3 responses
On the missing comma as thousand-separator, Luca 1 response
Women in the Forum? , Saile (Brazil) 16 responses
HP-75C Magnetic Cards read by HP-71B card reader, Giovanni Jimenez 2 responses
In praise of hard-copy manuals, Luca 40 responses
PIL-box connectivity, Juergen Rodenkirchen 1 response
An addition to my collection, Palmer O. Hanson, Jr. 1 response
Completing my collection, Michael de Estrada 14 responses
Does anyone, in all earnest, still use slide rules for work?, hecube 34 responses
HP 33s much better IMO than the 35s, Luca 8 responses
Your choice of calculator at work, hecube 35 responses
Getting items posted from the US to UK, Richard Reed 10 responses
Lab-Volt (348?) cpu trainer, peter a walker (papwalker) 0 responses
HP-71b used for fire calculations, Klaus 3 responses
Slide Rules Back in Production, Les Bell 8 responses
Anyone have an Android phone?, Tim Wessman 6 responses
HP 41 X module, juan demin 1 response
Emu28, Alexander Wassermann 7 responses
HP 33s display, Peter Klein 6 responses
HP-35S Case, Juan J 27 responses
What is this?, hecube 1 response
HP-01 and iPhone, hecube 10 responses
what's wrong with this program? / STO error, hpnewbie 21 responses
World statistics in a new light, designnut 4 responses
Error message in Hpapine, HPGCC,XP, Jan Kromhout 2 responses
Extend your 50g with C (HPGCC 2.0 SP2), Jan Kromhout 1 response
HP38G Hardware - HC74/ HC112 , Connector, Thomas Chrapkiewicz 7 responses
Science & Vie Article, John Cadick 12 responses
So the 50G can print by IR but not link to a 48GX?, Mark Edmonds 7 responses
My Los Alamos Lab HP-97 looks like Gort, hecube 12 responses
I got a 33s, Peter Klein 3 responses
HP-48 Connectivity Kit, Karl-Ludwig Butte 9 responses
Another 12C+ Bug, Katie Wasserman 32 responses
HP 67 with some dim leds, juan demin 10 responses
Who can help me to purchase a HP 12C+?, Walter Lam 3 responses
Removing the private status of a file (HP-71b), Klaus 4 responses
PIL Box Success Stories, Jeff Davis 3 responses
Young collection growing..., hecube 33 responses
OT: RPN Casio Guys , Chuck 6 responses
Challenge: Maximum Partition Product, Kiyoshi Akima 21 responses
hp 42s restoring, Antonio (Spain) 0 responses
HP-65 goes for $250,000, Don Shepherd 3 responses
Before I had HP calculators, I had Sharp calculators, hecube 7 responses
Halcyon Calc for iPhone/iPod Touch : a clone of an HP-28S ?, Jean-Michel 4 responses
HP 48G Statistics question, Ren 3 responses
PScalc95 (48SX sim) on 200LX: Abnormal program termination, Dave Britten 3 responses
The other side..., Marnus Malan (RSA) 1 response
fixing my newly acquired HP-48sx, Hugh Evans 0 responses
Need help with test, hecube 2 responses
Why do so many sell old HP calc to US users only?, jotne 30 responses
De-allocating memory locations on HP-35s, Paul Kleinkramer 7 responses
How do you organize the collection?, Saile (Brazil) 7 responses
Other brands of calculators in space, hecube 5 responses
HP and Kinpo - Are you Listening ? [HP-01 Inspiration], John Stark 10 responses
Profound saturday afternoon question, hecube 13 responses
Brown leather pouches history question, hecube 5 responses
NutIP, a web server and TCP/IP stack for HP-41, Khanh-Dang Nguyen Thu-Lam 8 responses
42S for iPhone v. 2.2 in App Store, Les Wright 6 responses
Complex number in HP35S, KC 9 responses
Knows physics. Knows no fear. Has accurate calculator., Peter Klein 3 responses
After the HP-67, I didn't plan on buying anything else for a while but..., hecube 6 responses
HP 41CV repair - constant Memory Lost message, Nigel Bamber 2 responses
High precision calculator in Windows 7, jotne 41 responses
The HP-10BII, Larry Smith 7 responses
A simple 11c/15c mini-challenge (phi), Gerson W. Barbosa 28 responses
Touch Up Paint Pen -Silver Paint, Alberto Fenini 1 response
Has any HP calc model ever been sold under another brand?, hecube 7 responses
HP71B Assembler - references , John Robinson 5 responses
EMU41 BIN files, Gerry Schultz 1 response
Emu48 v1.49 / Emu48PCC 1.18 released, Christoph Giesselink 0 responses
I scored a HP-67 for 93 dollars on eBay..., hecube 39 responses
HP19BII - how to fix the battery compartment, eddieuk 3 responses
HP 41 high-pitch noise, Frido Bohn 7 responses
HP-41C tall nut, full nut 2025Axxxxx close up pictures., Geoff Quickfall 4 responses
Bug in SIMPLIFY? (hp 50g), Luca 6 responses
Print in textbook format, Marcelo Vanti (Brasil) 2 responses
HP 32SII, Marnus Malan (RSA) 79 responses
How to prevent automatic substitution during SIMPLIFY, Luca 2 responses
Help: how to get the hp-50g to work on expressions., Luca 2 responses
How to compute the value of symbolic expressions in HP-50g?, Luca 2 responses
ROM version C-2.15 for HP-50g: what is the benefit?, Luca 2 responses
41Z Breakthrough: 4-level Complex Stack, Ángel Martin 26 responses
HP48SX LCD problem..., Geoff Quickfall 4 responses
the cost of memory, juan demin 19 responses
Another days between dates challenge for 11c, Don Shepherd 22 responses
HP-IL/RS-232-C Interface, Bill Lafferty 2 responses
HP-10bII, hecube 1 response
HP 65 / 67 magnetic cards, Juan demin 2 responses
HP-67 with clear (transparent) back cover, Giovanni Jimenez 2 responses
Weird Voyager Behavior and 12C+ issue, Katie Wasserman 3 responses
Trivia Question, Mark Edmonds 24 responses
Days between dates - another solution, Bart (UK) 10 responses
HP-50g Calculator Tutorial, Bill (Smithville, NJ) 1 response
Fun with the Casio fx-180p / fx-3600p, Thomas Radtke 8 responses
Kepler Orbits for the 42S, Les Wright 5 responses
41C mcode, Doug 1 response
Improved Internal Accuracy in Newest Version of Free42, Les Wright 2 responses
HP42S Addendum card., Javier Goizueta 1 response
HP48G ROM transplanted in a HP38G, Thomas Chrapkiewicz 0 responses
OT: "Dekadische Nummerierung" - english translation, Mike (Stgt) 4 responses
Heat staked keyboards with sticky, bouncy or corrosion present keyboard PCAs, Geoff Quickfall 12 responses
All We Wanted For Christmas...., Joerg Woerner 7 responses
HP 42S - Problem, Michel Lahcem 13 responses
HP-41cx "plastic film" in battery contacts, Giovanni Jimenez 2 responses
HP-41 question, Monte Dalrymple 1 response
HP 48 & HP 49...1999 and 2003 releases, juan demin 17 responses
Days between dates challenge for 11c and 34c, Don Shepherd 32 responses
HP-11 book , Larry (Ohio) 2 responses
Anode and cathode driver chips interchangeable on Classics?, Dan W 0 responses
HP 925 main body color, mark murphy 3 responses
I'm a bit new around here (the forum anyway)..., hecube 15 responses
Classic HP SuperCharger, Dan W 0 responses
Forum Search - help!!, Mark Edmonds 18 responses
Modified HP-67 Bendix Flight Computer, Michael de Estrada 1 response
Complex numbers - ideal display representation?, Mark Edmonds 15 responses
Memory problem on 48G+, Iqbal 1 response
early HP-80 restoration and Tallnut HP-41C question., Geoff Quickfall 20 responses
Looking for Dan McDonald, Michael Eckstein 1 response
Medical Pac 1 for HP-65, Matthias Wehrli 2 responses
Geoff Quickfall That is for you !, Saile (Brazil) 7 responses
Cases, especially for 200LX, P.Hart 3 responses
What's so special about this 71B?, Keith Midson 15 responses
Early HP-41C PCA picture as well as memory problem... , Geoff Quickfall 15 responses
EMU41, Hdrive1 and a 9114, Gerry Schultz 11 responses
Hypothetical calculator with USB ports, hecube 26 responses
Los Alamos HP-97: what do you make of this cable?, hecube 1 response
Thermal Paper - blue print?, Dan W 0 responses
16C Manual - different version?, Mark Edmonds 3 responses
Strange 15C behavior, cyrille de Brébisson 22 responses
Open up HP12cp?, Mike (Florida) 8 responses
hp100lx, Charles Oxford 2 responses
48GX - screen is all black - please help!, Kath 3 responses
free42 for the HTC touch pro 2, hugh steers 2 responses
Good programming environment for a 200LX?, Dave Britten 14 responses
HP 33e repair, Lincoln R. 2 responses
Question on MLDL2k Bankswitching, Ángel Martin 3 responses
Curve fitting question (OT), Walter B 13 responses
HP 12C/15C emulators for iPhone by HP, Peter Heberer 5 responses
HP or Texas? The difficult decision., Saile (Brazil) 14 responses
RPL: Binary to "long ints"?, Mark Edmonds 2 responses
Voyager series, logic PCA and keyboard PCA, Geoff Quickfall 7 responses
HP-41cx 'Memeory Lost' for Stefan Vorkoetter, Steven Benedict 3 responses
HP17bII+ Solver - Payback Period formula, RMIER 6 responses
Voyager HP-10C restoration and bezel replacement. and the book., Geoff Quickfall 11 responses
BATTERY LONGEVITY, Howard Lazerson 7 responses
(deleted post), deleted 1 response
Repaired HP41CV hangs on error., Dan Koller 2 responses
HP-IL I/F Card on a New(er) PC - Part IV - SUCCESS!!, Gerry Schultz 3 responses
Government surplus HP-97, hecube 10 responses
More 41 birthday fun., Egan Ford 98 responses
smartassed ebaby seller, db (martinez, ca.) 3 responses
Two questions: 38g/39gs aplets and HP ODU, bbeamer 3 responses
More on the new 12C, Katie Wasserman 28 responses
New SandMath-5 Module available, Ángel Martin 0 responses
Here is something to port to a 41, Frank Boehm (Germany) 2 responses
SPAM, Howard Owen 0 responses
(O.T.) Happy Pi Approximation Day! 'e*XROOT(12,e^(-3*4)+5.6789)' (N.T.), Gerson W. Barbosa 6 responses
Where do all the manuals go?, Mark Edmonds 15 responses
Is this a 97S on ebay?, Mark Edmonds 1 response
The meaning of "Mint" in Portugese, Michael de Estrada 17 responses
I41CX - new version 3.0, Nigel Bamber 0 responses
20b keys, Paul Dale 0 responses
Technical question; HP-41CV logic PCA, Geoff Quickfall 11 responses
Hawkeye: Remember this one? (1/?), Etienne Victoria 1 response
In what year was your HP lust kindled?, hecube 17 responses
HP classic latches, Tim 10 responses
Printing statistics calc // 46, Walter B 3 responses
Sanmath-5 ?, Geir Isene 5 responses
What company now embodies the qualities of the HP of old?, hecube 4 responses
the top programmable calculators, juan demin 38 responses
Either he was swindled or he's trying to swindle someone..., hecube 3 responses
HP calculators and space exploration, hecube 22 responses
The 43c? :-), Egan Ford 2 responses
HP calculators / space flights, hecube 0 responses
Happy Birthday, HP-41C !!!, Massimo Gnerucci (Italy) 2 responses
How much will this Red Dot sell for?, Michael de Estrada 36 responses
NEWT processor update, Klaus 2 responses
Rounding Revisited, Rodger Rosenbaum 5 responses
I'm back!, Dan W 14 responses
Odd sign problem with HP-97, Dan W 0 responses
Key presses and running programs, Mike T. 2 responses
integrating on the HP35s, ezoob 5 responses
20b - Observations, Thomas Radtke 12 responses
LINUX LIF tools error, Sean Connor 1 response
20b display problem, Paul Dale 4 responses
HP-25 turns itself off, Des McPherson 1 response
HP-41CV retiring / HP-20b entering active duty, hecube 4 responses
Emu48 update v1.48 / v1.17, Christoph Giesselink 0 responses
Appcelerator could bring iphone Calculator emulators to T-mobile G1 phones..., Allen 2 responses
Piezoelectric transducers and the 41C, Geoff Quickfall 4 responses
HP-IL I/F Card on a New(er) PC - Part III, Gerry Schultz 19 responses
PILBox initial testing. HP-IL Lives!, Egan Ford 4 responses
rubber bands hp 41, ulisse-quadri 1 response
OT: Casio FT-7, Saile (Brazil) 0 responses
Is this Ebay auction breaking any copyright?, Mark Edmonds 75 responses
HHC2009 Conference Update, Namir 0 responses
White spirit for cleaning?, Mark Edmonds 16 responses
OT: Keyboard with potential, Egan Ford 1 response
Free42 for Mac OS X, Les Wright 0 responses
Saving i41cx+ states and configurations--what's the difference?, Les Wright 1 response
Hey hey what can I say? FACEBOOK!, Mad Dog ebaycalcnut 2 responses
Math module d´ont works, Marcelo Vanti (Brasil) 6 responses
Mental juggling: Calculating the day of week, Thomas Klemm 8 responses
a question of cases ..., Glenn Becker 5 responses
How do I disassemble a hex number with Jazz?, Matti Övermark 2 responses
OT: Integrated Circuit 50th Birthday, Egan Ford 1 response
Hp50g Serial Number, Quan 3 responses
HP-67 Power trouble, benitoprat 3 responses
HP 71B versions, Keith Midson 8 responses
HP-12c Windows emulator shortcut keys, Don Shepherd 0 responses
Any other non-HP published "How To" books out there?, Larry (Ohio) 4 responses
41C 30th Birthday Game, Egan Ford 32 responses
(O.T.) Happy 'XROOT(9,10561572*EXP(2))/sqrtLN(pi)' ! (N.T.), Gerson W. Barbosa 8 responses
hp 45 charger, asher levy 6 responses
HP-35s simulator: Alternate skins?, Dan Greil 0 responses
Rounding conventions, Wayne Best 38 responses
20b - ABS?, Thomas Radtke 1 response
Proprietary HP Brand 15C and 12C iPhone emulators, Les Wright 4 responses
Upgraded iPhone Simulators in App Store today, Les Wright 7 responses
OT: Value of a desire II, Saile (Brazil) 5 responses
HP 50g Programming, Brian Wort 1 response
HP75 Accessories as new - any value or should I just use them?, Tony de Groot 0 responses
WIP: hp12c iphone skin., Pal G. 1 response
The HP Restoration Guide, progress report, Geoff Quickfall 3 responses
HP-IL I/F Card on a New(er) PC - Part II, Gerry Schultz 15 responses
Popularity of the HP-41C Calculator, Gerry Schultz 5 responses
Surveyors in LA?, Doug 2 responses
HP calculators on sale - HP 20b excluded, Joerg Woerner 1 response
Happy Birthday, HP-41C !!!, Massimo Gnerucci (Italy) 12 responses
Now this is really ridiculous!, Michael de Estrada 7 responses
Some collecting questions, Palmer O. Hanson, Jr. 2 responses
HP 35s: Killed by software?, Peter Niessen 3 responses
HP calculators on sale w/free shipping., Martin Pinckney 34 responses
HP 50G LCD problem, macbxx 2 responses
Exporting Table Values to Stack, Hal Bitton in Boise 1 response
OT: Mathematica Home Edition, Howard Owen 3 responses
Spice - asterisk in serial - means?, Mark Edmonds 9 responses
Nominal power supply for an HP-75D and question about batteries, Tomás (España) 7 responses
HHC2009 Change of venue, BruceH 18 responses
To Dave Hicks -- others, please ignore, Thomas Okken 0 responses
SPICE question - repost, Michael de Estrada 5 responses
Seeking 42S Inspiration, Mark Edmonds 26 responses
HP SmartCalc 300s customer complaint, hpnut 20 responses
HP48s/x connectivity, bbeamer 9 responses
12C+ Gamma, Gerson W. Barbosa 8 responses
Which came first? 19B or 27S?, Mark Edmonds 2 responses
HP-41CX Frozen Up, Jeff Davis 4 responses
Torsten Manz 15c emulator errors...?, McBenney 1 response
HP releases multiple emulators for PCs, iPhone, iPod touch, Steve Leibson 70 responses
a strange '35, Dana Bingham 2 responses
28/48 used to validate scientific library, Egan Ford 6 responses
Casio - nice on-line calc, worth looking at, Mark Edmonds 1 response
HP-IL I/F Module and a New(er) PC, Gerry Schultz 7 responses
The Dumbest Generation: AOS vs RPN , Joerg Woerner 32 responses
HP 16c - needs cleaning?, Glenn Becker 8 responses
SmartCalc 300s manual, hpnut 6 responses
Spice type 2 question, Michael de Estrada 0 responses
HP 15c COMLEX MODE, David Stone 2 responses
HP17bii+ v HP12CP, Paul 14 responses
HP70 transgenic , Alberto Fenini 1 response
UPDATE: FOCAL coding standard, Geir Isene 1 response
UPDATE: HP-41 VIM filetype plugin, Geir Isene 0 responses
OT: Casio fx-9860g updates, Katie Wasserman 7 responses
HP 50G Matrix Writer, Benning 4 responses
HP 8S ?? What's this? Australia only?, Mark Edmonds 14 responses
Voyager - opening up - small questions please, Mark Edmonds 12 responses
i41cx+ Time and Date, Les Wright 3 responses
HP49 with 48series KB..., nacho 0 responses
iPhone 3.0 OS update does not seem to break 42s or i41cx+, Les Wright 8 responses
Does the HP-IL module for the HP-41C break the loop?, Klaus 2 responses
pet peeves: documentation and thermal printed receipts, Don Shepherd 10 responses
need help from surveyor or property laywer..., cyrille de Brébisson 18 responses
82143A Printer Output Confirmation Requested, Egan Ford 2 responses
HP-41: Release: ICEBOX.ROM version 1E: News for NoV Users :-), Geir Isene 5 responses
HP 46080A HP-IL Extension module, ZOleg 2 responses
Another way to restore the silver trim?, Dave Shaffer (Arizona) 4 responses
Byron Foster's 42s for iPhone v. 2 upgrade in App Store, Les Wright 35 responses
HP 35s checksum repeatability observed, JJB299 0 responses
HP48G Problem, Jno. Greenslet 7 responses
HP-97S Pod Schematic, Katie Wasserman 7 responses
HP 92198A video interface problem, Ilyas B. 2 responses
A tribute to the old manuals (again :), Geir Isene 9 responses
OT calculator vidio, db (martinez, ca.) 1 response
Missing keystrokes, Quan 7 responses
Brand new HP-35 for sale on eBay $1489, jotne 9 responses
82104A card reader current measurements?, Eric Smith 7 responses
SpeedUI units bug?, Mark Edmonds 2 responses
Help with Free42 + T3 + Ehrling42sm = cut off image? , htom trites jr 11 responses
HP-15C Mini-Challenge: Magic squares !, Valentin Albillo 12 responses
HP-41 w/NoV-64: Funny module conflict, Geir Isene 1 response
Symbolic integration, Valentin Albillo 6 responses
New Iphone & Itouch calculator - Access RPN and Active RPN, Nigel Bamber 1 response
HP cassette mass storage device..., Geoff Quickfall 7 responses
Byron Fosters 42s for iPhone version 2 submitted to Apple App Store, Les Wright 14 responses
HP-12C+ .... the mistake is back on the back!, Katie Wasserman 23 responses
HP41CV with missing registers, Jorge I. Rodriguez (Pasadena, CA) 4 responses
HP48 I/R comms with PC?, Mark Edmonds 8 responses
35S for $32.95 at Buy.com, Jeff O. 4 responses
HHC2008 HP Calc Calendar for 2009 Is Now Half Price , Jake Schwartz 0 responses
HP-41CX Bug?, Namir 8 responses
Why is complex number support so essential to some of you?, Mark Edmonds 16 responses
Hp 42s memory upgrade, Raul de Roux 1 response
HP-15c Powering on, Giuseppe Marullo 6 responses
O.T. XP RAM utilization, designnut 1 response
Discussion on RPN in French forum, Marcus von Cube, Germany 0 responses
hp 35s emulator, Michele Signorini 15 responses
Celestial Observations: A Brief History of Elgin, Knowles & Senne and their Ephemerides , Robert Haefele (AUT) 3 responses
HP "Virtual Tech Museum" contest, Eric Smith 10 responses
OT: Gratuitous non-HP calculator picture , hugh steers 4 responses
New HP 41CX, Nigel Bamber 9 responses
The xth root of y on the hp 35s, Quan 3 responses
the experience of programming: old vs. new, Glenn Becker 27 responses
HHC2009 HP Conf Attendance 20 and Counting, Jake Schwartz 0 responses
Restoration Guide, ideas, help, suggestions and etc...., Geoff Quickfall 33 responses
Configurable Keyboard, Paul Brogger 8 responses
HP spy photo?, Pal G. 2 responses
HP71B Entry points, Raymund Heuvel 6 responses
Troubles connencting Conn4x <--> HP48G, Matti Övermark 6 responses
HP-41 MLDLs, Garth Wilson 6 responses
Spice restoration continue, or, how to open a spice without damage!, Geoff Quickfall 7 responses
The peculiar arithmetic of the SmartCalc 300s, Javier Goizueta 5 responses
HP 41C LCD/Display, Damian Rios 10 responses
A coincidence, really, but I just finished restoring this HP 34C!, Geoff Quickfall 11 responses
HP-34C Spice series keypad, Robert Hollyer 1 response
Charting Pioneer Differences..., Mark Edmonds 0 responses
Fast editor for 48SX/GX??, Mark Edmonds 16 responses
128k Ram modules for HP-85B, Jeff Davis 3 responses
Matrix software for the 41, Geir Isene 8 responses
OT: Math question, KC 14 responses
HP 35 red-dot prototype case, wohooo!!! and other pictures...Had to tell someone!!!, Geoff Quickfall 6 responses
uWatch2 Front Panel, DaveJ 3 responses
PPC vs. CCD vs. ZENROM module, Nik Brem 4 responses
41SIMON [The Game], Saile (Brazil) 0 responses
Found a use for a dead 10-B (doing happy dance), htom trites jr 4 responses
Video Instructions, designnut 1 response
HP34C Black Scholes Model, Ed Austin 2 responses
Did everyone miss this? Wolfram Alpha now LIVE., Pal G. 12 responses
HP LED displays, Richard Ottosen 12 responses
Where the new HP 12C+ ?, Jose Ernesto 1 response
Atmel ARM7 LCD driver: alphanumeric display, Michele Signorini 4 responses
HP-71 trouble, ZOleg 0 responses
OT: DIY Oscilloscope, Egan Ford 12 responses
Bug in article 893? (HP 35s Triangle solver), Dave Britten 0 responses
Checking my daughter's homework, Sancerre (Phoenix) 5 responses
i41CX+ 2.0 Released., Egan Ford 9 responses
OT: Add to the Recommended List, Paul Brogger 3 responses
50g integration oddity, dbatiz 15 responses
Where to find HP200LX ROM files ?, bloo 8 responses
OT: uWatch firmware v1.6.0 Released!, hugh steers 7 responses
HP 41CV Key Issues, Michael Lopez 7 responses
HP BASIC for HP86B, Bill Lafferty 8 responses
HP32E Hardware Question, Mike T. 2 responses
HP35s Program Memory Quirk, Thomas Chrapkiewicz 45 responses
HP 100LX and CF cards, Chris Foley 6 responses
Nice "bug" in one HP-41C Users' Lib, J-F Garnier 0 responses
how to tell my 12c's manufactured date , mateo999 8 responses
Spice Type 1 vs 2 parts interchangeability?, Michael de Estrada 1 response
HP-41 Flex-PCB (improving replacement), Diego Diaz 0 responses
New 12C availability, Charles Oxford 1 response
Disks for 9114B ?, Sean Connor 11 responses
My new traction system for Topcat printers., Ignazio Cara (Italy) 3 responses
Faulty LED's on HP 55, Michael de Estrada 8 responses
HP71B PCB interconnection strip, Tony de Groot 2 responses
A few questions 42S Global Labels, Egan Ford 4 responses
And finally - a simulator for the HP32E., Mike T. 4 responses
What do the following have in common, other than they are used to calculate?, Geoff Quickfall 15 responses
BASIC 45th anniversary, Don Shepherd 5 responses
CLTKTD or CLKT Status ?, Saile (Brazil) 1 response
Rattling 9114B, Steve (Australia) 1 response
17bII+ keypad problem, Dewdman42 4 responses
HP-41: how to extract name of current XM-file?, Geir Isene 3 responses
HP-41C with Tall Keys?, Dan Grelinger 10 responses
Advice on buying a HP67, Nigel Bamber 4 responses
HP-97 Printer Motor keeps spinning, Gil Gutierrez 6 responses
hp 20B keypad, JDonley 2 responses
HP35s how to recall last expression?, hugh steers 3 responses
Customized HP-67, What is it?, Michael de Estrada 14 responses
COMIC, Chuck 1 response
Lucky Day, Chuck 5 responses
uWatch2 128x32 option, DaveJ 14 responses
New HP-12C Review, Katie Wasserman 55 responses
The curta Calculator., Stuart Sprott 4 responses
HP / Mark Hurd in New York Times today... . ...., Thomas Chrapkiewicz 0 responses
OT: Math Joke, John B. Smitherman 46 responses
Plug for the MoHPC forum: 72 hours in a day, DaveJ 10 responses
Obscure 41 Module - FAC/WC, Angel Martin 3 responses
Looking for a tester for Free42 on 1st generation iPod touch, Thomas Okken 2 responses
Scientific notation on 50g, skroops 7 responses
And now for something completely off topic:, Geoff Quickfall 9 responses
HP 27S on Christophe Giesselink's Emulator, bill platt 2 responses
New HP12C (ARM) SDK availability ?, bloo 8 responses
HP75 HPIL IO, Tony de Groot 6 responses
HP calculator tattoo?, Bruce Bergman 6 responses
TVM Program for the 42s, Jeff Kearns 10 responses
HP-42S faulty keys, wesjones 16 responses
Proposed Additions to the DVD Version 7, Allen 0 responses
HP48GX: lost tactile responce in F keys, Harold A Climer 11 responses
HP50g ROM Version 2.15, Mike Morrow 24 responses
HP-25C strange behaviour, Alberto Fenini 14 responses
41c keyboard overlay templates, Sean Connor 12 responses
Free backpack when you buy the HP 35S calculator, hpnut 4 responses
OT: Build your own book scanner from trash & cheap cameras, Marcus von Cube, Germany 0 responses
The HHC2009 HP Conference Web Site Is Open, Jake Schwartz 4 responses
HP 41 post repairs, yeah been done before but this is simple and it works.....;-), Geoff Quickfall 7 responses
OT: Calling all front panel calculator designers..., DaveJ 60 responses
New 12C question, Charles Oxford 4 responses
Zenith, the Trans-Oceanic, and some "food for thought", Karl Schneider 0 responses
HP-41C on Cover of CQ Magazine, Jeff Davis 16 responses
Nothing important (my first little hw mod), Geir Isene 6 responses
What was the Earliest Touchscreen Handheld?, Jake Schwartz 8 responses
Old Fan Software, Ed Look 0 responses
New HP products on the horizon?, Michael de Estrada 15 responses
HP 41CX Auto power-off problem, Jose Poyan 5 responses
OT: uWatch MK2, DaveJ 15 responses
I love my HP-35, Michel Beaulieu 1 response
Purely Synthetic PCAT 1, PeterP 1 response
HP 41CV intermitent fault, Nigel Bamber 3 responses
TI-84+, a humbling experience, Egan Ford 7 responses
OT: uWatch new look, hugh steers 2 responses
Let's build a calculator..., robert rozee 33 responses
CR2032 coin cells 20 for $5, designnut 2 responses
HP 35 Milestone Event at HP Labs, Steve Leibson 3 responses
HP 50G user manual, hpnut 3 responses
OT: My EEVblog, DaveJ 6 responses
I have an HP-70 vintage calculator for sale, rebecca yurkanin 15 responses
L() and G() sample, Sancerre (Phoenix) 7 responses
It is worth this calculator more than $2500?, Gonzalo Fernandez (Spain) 25 responses
I just couldn't resist, I mean how long does one have to wait, Geoff Quickfall 8 responses
OT: Pental number system?, Michael de Estrada 9 responses
OT: Vintage Calculator, SteveH 17 responses
35s next to a Pioneer?, Dave Britten 4 responses
Does anyone know L. Lirpa from Finnland?, PeterP 1 response
Does anyone own a HP-45 Version 1?, Michael de Estrada 2 responses
Clearing the menu line, Lawrence Hare 11 responses
Start EMU48 instead of calc.exe in XP - possible?, George Bailey (Bedford Falls) 7 responses
Wow, Michael 6 responses
Reclaimed HP41CV calculator - picture, Nigel Bamber 4 responses
keypad on 20B, JDonley 0 responses
HP-41 a M-Code question, JMBaillard 9 responses
Who and How Much for a Red Dot in Poor Shape, Michael de Estrada 3 responses
HP28S battery cover, Keith Midson 19 responses
HP 41CV Battery Question, Chuck 3 responses
Broken Woodstock Question, Michael de Estrada 2 responses
HP41CV calculators with embossed label, Gonzalo Fernandez (Spain) 1 response
HP35 IEEE Celebration 4/14/09, Jake Schwartz 17 responses
A visual quiz! What is it?, Geoff Quickfall 5 responses
Anyone else find this HP-41CX strange?, Dan Grelinger 17 responses
2 More Years of HPCC Datafile Issues Available on Compilation CD, Jake Schwartz 1 response
Looking for Users Library Programs, Dave Hicks 7 responses
Woodstock glue?, james summers 4 responses
Whether to buy a "reclaimed HP41CV", Nigel Bamber 45 responses
evolution of computer power/cost, db (martinez, ca.) 8 responses
So you thought only HP still makes RPN calcs, Michael de Estrada 3 responses
TDS 500K dead battery, pictures of the inside of the card and the battery., Geoff Quickfall 4 responses
Left handed HP-15C :), Marcus von Cube, Germany 1 response
hp 48SX repair success!, Geoff Quickfall 3 responses
48GII USB adaptor for serial cable, Carl 17 responses
OT: Casio FP-200, Marcus von Cube, Germany 3 responses
Which scientific calculator?, M Manning 32 responses
Organic Display Technolgy - Don't miss TI's latest Four-Banger!, Joerg Woerner 6 responses
HP 20b: test-menu, Thomas Klemm 6 responses
Bug in HP 20b: nCr with non-integer r, Thomas Klemm 19 responses
HP 48 PC Software??, Bob Macklin 1 response
A pair of 21S with sticky keys, Peter Klein 8 responses
Fun with a 17bii, Dave Britten 2 responses
LCD Failure?, Bob Macklin 4 responses
HP Calcs on Sale. 15% off, and free shipping on everything., Dan Grelinger 5 responses
Chess on the uWatch !, hugh steers 9 responses
HP41C x-ray, Thomas Klemm 13 responses
Is It Possible to "Overload" HP-48G+ Memory?, Ed Look 2 responses
HP41/42 Unit Conversion, Egan Ford 36 responses
HP50g Units Conversions, Elliott W Jackson 13 responses
Thermal paper size for HP 19C?, Michael de Estrada 5 responses
Computing Square Roots, Thomas Klemm 11 responses
HP 50g listed at $99 on HP site, designnut 4 responses
How to enter 2E-3 on a HP-19B2, Mike (Stgt) 11 responses
HP41 - Programmable CAT1?, Howard Owen 28 responses
others interests of hp calc users, Iqbal 42 responses
HP 67 Calculator emulator for PC., aranda1984 3 responses
OT: Interesting Website, Chuck 3 responses
Strange X-Functions Module, Juergen Rodenkirchen 4 responses
Another calculator with RPN (Corvus 500 RPN), Saile (Brazil) 7 responses
New Release of HP9800E, Achim (Germany) 1 response
Buzzer in HP-01 watch: how to get a replacement, Ronald 1 response
Recommendations for storing calculators, Michael Lopez 25 responses
Calculators STOLEN today..., Phil K 4 responses
Mini challenge - coin toss, MikeO 33 responses
Survey about convergence of iterations, Namir 3 responses
Searching for the HP-71B Zenwand manual, Philippe Lasnier 1 response
Screen comparison and annunciator question, Marcus von Cube, Germany 17 responses
Another Red Dot Auction - Very Bad Condition, Michael de Estrada 13 responses
HP50g beta ROM version 2.14, Mike Morrow 3 responses
OT: Fun use of maths in advertising, bill platt 4 responses
OT: Does anyone own an APF mark 55?, Michael de Estrada 25 responses
managing director of Educalc.net talk about HP, Michel Beaulieu 1 response
HP 50g users guide printed, spiral bound, designnut 2 responses
RPN or algebraic, designnut 0 responses
HP SmartCalc 300S - on its way!, Joerg Woerner 25 responses
Signed Logic PCB, Ignazio Cara (Italy) 4 responses
Another RPN calculator program for the Casio FX-9860!, Nigel J Dowrick 3 responses
OT: For the (oops!) AOS lovers among us, Frank Rottgardt 17 responses
OT: New national record, Walter B 3 responses
HHC 2008 Programming Contest revisited, David Hayden 6 responses
HELP: Solver routine for original principal loan amount?, Phil K 47 responses
Maybe the Recession is Affecting Old HP Calcs, Dan Grelinger 1 response
Dirty 31E, Hal Bitton in Boise 0 responses
OT: slide rules still in use, Frank Rottgardt 25 responses
Basic questions about Clonix41 & Nov32/64?, Michael Lopez 11 responses
HP 41CV gone nuts, Richard Carter 2 responses
Happy Pi Day, Egan Ford 9 responses
HP41 Virtual Memory - Terabytes?, Raymund Heuvel 8 responses
Latest Version of EMU41, Gerry Schultz 33 responses
OT: Dude Puts a Pipe in a TI-83 Calculator; Calculator Still Works, Egan Ford 3 responses
HP OfficeCalc 200 selling for $97!!, Bruce Bergman 7 responses
80 column HP-IL interface, Egan Ford 2 responses
Friday the 13th Challenge, "Make 13 on the 13th", Egan Ford 11 responses
HP9100A back to , paolo 1 response
HP-3468 HP-IL and HP questions, Michel Beaulieu 3 responses
hp42s owner manual PDF pleeeease ......., manudo 2 responses
HP 48GX or HP 50G?, Chris Foley 11 responses
HP48 Series RAM Cards (potentially) available., Thomas Chrapkiewicz 0 responses
7470A Plotter Purchasing Assistance Required, Egan Ford 25 responses
Restoration Help, Egan Ford 4 responses
HP-75 HP-IL software/hardware needed - Trade?, Walt Devaney 4 responses
TDS 512k RAM CARD acting up, Geoff Quickfall 0 responses
IL Cassette Drive, Oscar Bowman 1 response
HP SmartCalc 300s , Frank Rottgardt 4 responses
HP20b Log error , Jeffrey Herrington 8 responses
HP-67: The Red Dot Low Battery LED almost always lighting, Albert Tocar Loseggs 2 responses
Solving Exponential Equations, Hal Bitton in Boise 8 responses
35s strangeness, db (martinez, ca.) 32 responses
HP-41 I/O Circuit Strip, Bob Pedigo 5 responses
Motorola NiMH Batteries, Juan J 5 responses
HP-49g+ and SD Cards, Ed Look 4 responses
OT: TI-95 Manuals, Egan Ford 5 responses
Daylight Savings Time, Peter A. Gebhardt 19 responses
41 RPN LBL GTO rules, Egan Ford 8 responses
Credit Card Size RPN calculator?, Elliott W Jackson 20 responses
Ren, you asked for keystroke calculations, designnut 0 responses
82176A Mini Data Cassette equivalent?, jotne 16 responses
Is it possible to load documentation onto an sd card onto the hp 50g, hpnewbie 7 responses
OT: 4.1 Billion Mobile Phones and Counting., Egan Ford 12 responses
Seriously; You are the best, Geir Isene 28 responses
Reckon 1.0 beta released, hugh steers 21 responses
Is a HP-15C worth 810 bucks? , Rainer Wiedemann (Germany) 28 responses
What's the place of a handheld calculator?, David Hayden 21 responses
Happy Square-Root Day, Dave Shaffer (Arizona) 7 responses
sigma function in solvers, Don Shepherd 16 responses
A little survey among HP's calculator collectors., Ignazio Cara (Italy) 11 responses
Restoring the colour of ABS plastic, Steve (Australia) 5 responses
Assistance for the new, Bill Payze 1 response
Still Looking for new scans, Dave Hicks 8 responses
HP-41 Rom 82500A-E13, Rik Bos 0 responses
HP65/67/41 card reader gears, John Robinson 4 responses
HP-42S ROM download to HP-48G?, Thomas Okken 2 responses
Problem sending data via IR from HP48 to HP50g, Michael de Estrada 12 responses
Can an HP 50g print via IR port?, Michael de Estrada 8 responses
Some kudos for HP, Palmer O. Hanson, Jr. 2 responses
Can we beat the 5.81 hours on the TI95 with the HP71B? Gene, Yes we can!, Egan Ford 12 responses
Next HP scientific calculator, Elliott W Jackson 22 responses
MoHPC Version 7 DVD release date?, Michael de Estrada 1 response
N cells revisited, Palmer O. Hanson, Jr. 2 responses
Printing on a 82143A with HP-75C, Giovanni Jimenez 1 response
Questions for the HP-01 restorers..., Maximilian Hohmann 1 response
OT Weekend Challenge, Chuck 12 responses
Military 41C for auction, Marcus von Cube, Germany 5 responses
dot matrix in crayon, db (martinez, ca.) 1 response
An HP48GX that makes a buzzing sound. HELP!!, Namir 5 responses
4915 digits of pi - MCODE 41 (19660 digits optional), PeterP 6 responses
HP 95LX prototype PCB, Frank Boehm (Germany) 0 responses
MathU RPN calc for iPhone, Bruce Bergman 4 responses
512K Memory Card, Farz 5 responses
HP 17BII, Peter Leyssens 27 responses
HP-97 card reader woes, GanjaTron 5 responses
OT: uWatch's available again, DaveJ 2 responses
Insufficient Memory, Farz 12 responses
A Replacement Calculator for Casio's with RPN!, hugh steers 22 responses
Got a 32s, musing about the 33s, Peter Klein 6 responses
OT: Tee-shirt for the maths type, bill platt 4 responses
Interesting observation about Circuit City, Martin Pinckney 7 responses
HP-35s Stat Pac Free to download!!, Namir 11 responses
In defence of a 4 stack, designnut 6 responses
HP-71B with a dead piezo speaker - repairable?, Philippe Lasnier 21 responses
HP-41 broken plastic display - how to fix?, Geir Isene 1 response
Symbolic differentiation on HP35s, Peter Niessen 0 responses
New member - HP41 link, Nigel Bamber 9 responses
How to care for 9114 batteries?, Steve (Australia) 0 responses
OT: Binary marble adding machine, DaveJ 3 responses
New method of typing numbers?, Saile (Brazil) 9 responses
Elektronika MK-61 Russian Manual Translation?, Michael de Estrada 6 responses
Synthetic Programming and the HP-41C, Trent Moseley 12 responses
The HP Calculator Calendar for 2009 Still Available, Jake Schwartz 0 responses
HP48 compatible SRAM memory cards, Andrés C. Rodríguez (Argentina) 4 responses
What happened to William Wickes?, David Hayden 9 responses
How to HP-71B and HP-41CX via HP-IL?, ZOleg 8 responses
How do I glue the back label of an HP-16C back on? (or of most Voyagers, for that matter), Philippe Lasnier 4 responses
The history of my calculators, SteveH 5 responses
HP-41 HP-IL Issue, Gerry Schultz 6 responses
HP-35 x^y key, Antonio Maschio (Italy) 3 responses
INIT-Module for ERAMCO RSU-2 Rambox, PeterP 3 responses
Emu42 v1.11 is available now, Christoph Giesselink 1 response
Aristo M16 (HP parts), Stefan Hauschild 3 responses
Calc Benchmark - HP41 MCODE - 11.05 seconds, PeterP 7 responses
HP-71B Math RAM Article, Marcus von Cube, Germany 2 responses
HP41 - fill HDRIVE1, Roland Storz 5 responses
OT: Siftables, the toy blocks that think, George Bailey (Bedford Falls) 6 responses
Any love for the 28's?, Steve Keeley 24 responses
Yikes! $630 for a HP-42S, Michael de Estrada 5 responses
HP-41 Software Package 'ZEWIDAT' by TU Sigmaringen, Juergen Keller 0 responses
LCD darkening, Peter Klein 2 responses
Belated Valentine's Day Fun, Egan Ford 4 responses
HP 35s Bubble Sort, Elliott W Jackson 1 response
HP 35s Gnome Sort, Elliott W Jackson 0 responses
Can the HP 38G do Binary, Hexadecimal, or Octal base, kmaciej 2 responses
HP-32s Engineering Applications Manual, Hansel 40 responses
Average Age in hpmuseum forum, Nacho 133 responses
My calculator, my self?, Peter Klein 6 responses
HP-29c malfunction symptoms, Xavier A. (Brazil) 5 responses
HP 49g+, Fernando 2 responses
OT: TI-89 (Dumb Question), Juan J 5 responses
UCODE programs in MCODE modules, PeterP 1 response
Worth of HP 41 Accessories?, Howard Boardman 2 responses
RPN is an addiction, Peter Klein 27 responses
HP48 gx Connectivity Tips, JJB299 2 responses
ERAMCO MLDL OS - other version?, PeterP 2 responses
HP-29c Power (?) problems, Xavier A. (Brazil) 11 responses
HP-29C , Jorge Sanchez 1 response
HP-67 clutch rebuild problem, Michael de Estrada 2 responses
My review, HP 35s, Elliott W Jackson 40 responses
HP-71B sunk key, Marcus von Cube, Germany 2 responses
Update on my 9114 repairs in 2000, Steve (Australia) 0 responses
HP 35s "Low footprint" Linear Interpolation, Elliott W Jackson 2 responses
HP 29c power requirements, Todd Rockwell 7 responses
How to get rid of the period on HP50G?, Chan Tran 1 response
IBM 360 is 45 years old!, Don Shepherd 20 responses
HP-65 reads but does not write, Michael de Estrada 7 responses
HP50g Problem with KEY, SAME, DK2ZA 4 responses
Card reader pinch roller dimensions?, GanjaTron 3 responses
HP-41C Card Reader, Roy Welch 12 responses
HP 41CV card reader, John Bjornholt 7 responses
Cheap Batteries for HP41CX, Prabhu Bhooplapur 19 responses
HP-27 Woodstock Thermal Problem, Robert Hollyer 2 responses
Custom menus, Ian Stanley 0 responses
O.T. Gigaspan photo of Inauguration, designnut 11 responses
Re: OT: My favorite HP non-calculator toy: HP4500, BruceH 2 responses
More Challenges, Chuck 7 responses
OT: Casio VX-4, Saile (Brazil) 1 response
Removing rubber feet from HP27S, Strath Clarke (Sydney, Australia) 4 responses
BASIC comparison sheet updated again, Marcus von Cube, Germany 1 response
Re: HP-25 fails to store programming steps, Alberto Fenini 0 responses
Scans of old french computer magazine !, Pascal 1 response
HP 65 - top row of keys not working, Frank Balzer 3 responses
MatLab, Maple, MathCAD, Martin Pinckney 3 responses
challenge for a snowy day..., Don Shepherd 23 responses
Casio FX-9860G Slim available again..., Bruce Bergman 3 responses
A webserver running on a HP-41 and HPIL patch for nonpareil, Khanh-Dang Nguyen Thu-Lam 10 responses
HP-97 Card Reader NOT gummy wheel problem, ZOleg 3 responses
Gamma (and Factorial) for 12C/12CP, Les Wright 9 responses
HP-41CX Zengrange: remove rubber fragments, Rainer Wiedemann (Germany) 0 responses
HP-46 find, GanjaTron 9 responses
Re: Graphing Calculators and education, Martin Pinckney 0 responses
HPLink, DOSLink, Trans41 etc, Roland Storz 1 response
Just ordered a 50G...now what?, Ryan McLean 9 responses
Re: Saturday Night Live skit about some of us, Karl Schneider 0 responses
Re: Mini Challenge, Thomas Klemm 1 response
Gamma and Factorial for 10C/12C/12CP (thread hijack), Les Wright 1 response
Re: HP-25 fails to store programming steps, Mike Morrow 1 response
Nicotine stains on Woodstock keyboard, Xavier A. (Brazil) 2 responses
Which HP series are the best hardware built?, Nacho 14 responses
Re: HP-65 replacement labels?, GanjaTron 0 responses
Re: HP 49G+ stopped working. Please Help, reth 1 response