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Article Index
Articles Posted or Modified Within the Last Archive
210 of 210 Articles Displayed
(Reversed Threaded Listing)
- 1266: HP-41 MCODE: The Last Function - at last!, Ángel Martin - 8 Nov 2013, 4:55 a.m.
- 1263: HP-80 History, Design and Interesting Facts, Max Stone - 24 Oct 2013, 4:14 p.m.
- 1253: RPN-1200, Benoit Maag - 25 Aug 2013, 1:02 a.m.
- 1252: 41 SOLVE & INTEG Bank-switched Implementation., Ángel Martin - 21 June 2013, 11:12 a.m.
- 1246: Computing Sunrise/Sunset with the HP 35s, Justin Sloan (Honolulu) - 29 Apr 2013, 12:30 a.m.
- 1240: HP-42S with Electroluminescent screen and simple I/O port, Jose Poyan - 26 Mar 2013, 4:45 p.m.
- 1220: Sudoku Solver for the HP-15c, Marcel Samek - 4 Feb 2013, 1:20 p.m.
- 1218: Mapping HP48 Text to Unicode, Chris Dreher - 16 Jan 2013, 1:15 a.m.
- 1205: HP-41 "Halfnut": patching the ROM for full lower case character set display, J-F Garnier - 28 Dec 2012, 12:25 p.m.
- 1200: 41-CL Routine of the week: MMUSWAP, Ángel Martin - 4 Nov 2012, 5:57 a.m.
- 1197: Palmer's Matrix Multi-Tool Extension, mbrethen - 30 Sept 2012, 4:43 p.m.
- 1196: HP-UX and RPL/2, BERTRAND Joël - 26 Sept 2012, 6:03 a.m.
- 1195: 41-MCODE: Breaking the FAT Barrier, Ángel Martin - 3 Sept 2012, 6:16 a.m.
- 1183: Make PIL-Box ILPer program run on OS X, Juergen Keller - 2 Sept 2012, 4:24 p.m.
- 1179: HP-82163A how-to and video, Sylvain Cote - 21 July 2012, 2:47 p.m.
- 1174: HP-41 Post Replacement, aj04062 - 12 July 2012, 9:45 p.m.
- 1173: 41-MCODE: Dr. Jekyll & Mr. Hyde, Ángel Martin - 7 July 2012, 3:48 a.m.
- 1172: Calculation of factorials using logarithms (HP41 MCODE), Frido Bohn - 26 May 2012, 9:15 a.m.
- 1162: 41CL - port configuration, Christoph Klug - 22 Mar 2012, 5:14 p.m.
- 1158: HP-41 MCODE: Checking ROMs Configuration, Ángel Martin - 18 Mar 2012, 3:23 a.m.
- 1152: HP 17BII+ TVM Solver Solution expressing the Balloon Payment as a Percentage with Begin and End mode [and Down Payment as a percentage], bjmaskell - 3 Mar 2012, 12:36 a.m.
- 1150: Resurrecting a shattered HP 19B, Neil Hamilton (Ottawa) - 30 Jan 2012, 2:14 p.m.
- 1149: HP41 Trip Computer, Christopher Johnson - 29 Jan 2012, 9:36 p.m.
- 1133: [WP34s] The ultimate Polynomial RootSolver for the WP34s, fhub - 3 Jan 2012, 7:23 a.m.
- 1131: RPN Sunrise / Sunset programs for HP41C/HP42S/HP33S/HP35S, M. Joury - 14 Dec 2011, 9:25 a.m.
- 1129: Incomplete Gamma Function for wp34s, Les Wright - 5 Dec 2011, 2:40 a.m.
- 1126: Romberg Integration on the wp34s, Les Wright - 4 Dec 2011, 7:43 p.m.
- 1118: WP 34S: Polynomial root finder adapted from Valentin Albillo's HP 41 program, Miguel Toro - 23 Nov 2011, 7:32 p.m.
- 1117: WP 34S: financial routines IRR, NPV, Amortization, Interest rate conversion (updated 2013-04-28), Miguel Toro - 12 Nov 2011, 2:20 p.m.
- 1113: Inside Saturn Emulator Timing, Christoph Giesselink - 20 Oct 2011, 4:56 p.m.
- 1107: HP 15 LE: Errata list for Owner's Handbook, Felix Gross - 10 Oct 2011, 3:03 a.m.
- 1104: WP 34S: Integration wrapper, Miguel Toro - 9 Oct 2011, 10:26 p.m.
- 1102: WP 34S: MIO matrix helper * edited*, Miguel Toro - 8 Oct 2011, 8:53 p.m.
- 1096: HP35s date functions: DOW, DDate, Date+, Gregorian to Julian conversions, David Persinger (US) - 16 Sept 2011, 2:21 p.m.
- 1089: HP-15C LE (Limted Edition) Bug Reports, Katie Wasserman - 16 Sept 2011, 11:22 a.m.
- 1088: Simple TVM Routines for HP-15C, Chris McCormack - 16 Sept 2011, 8:46 a.m.
- 1072: Creating ROM image files of an HP-41 module, Juergen Keller - 9 Aug 2011, 4:55 p.m.
- 1062: Thank You HP Users, LouisD - 9 Aug 2011, 3:21 p.m.
- 1048: EE calculations, some not obvious (reformatted), Thomas Klemm - 26 May 2011, 5:14 p.m.
- 1038: Multiple Period Percentage Change Program for the 30b, Mark Harman - 25 May 2011, 12:13 a.m.
- 1037: HP 30b programs for interest rate conversions with negative or fractional periods per year, gene wright - 3 May 2011, 2:30 p.m.
- 1035: Game for HP-35s, Paul Dale - 16 Mar 2011, 5:46 a.m.
- 1025: N-queens benchmark and the HP-17BII, Thomas Klemm - 7 Feb 2011, 5:48 a.m.
- 1024: Sum of Digits Divisibility Challenge - an unusual solution, David Hayden - 16 Jan 2011, 9:39 p.m.
- 1021: How to use a formula in a post, Thomas Klemm - 8 Nov 2010, 4:11 p.m.
- 1014: Sunrise and Sunset, Thomas Klemm - 28 Oct 2010, 12:05 p.m.
- 1003: HP 35s. Quadratic Equation Solver (with complex solutions support), Pablo P (Spain) - 2 July 2010, 3:53 p.m.
- 1002: Calculator Benchmark: Loops of addition, gene wright - 2 June 2010, 2:51 p.m.
- 1001: The Caves - Reloaded, Frido Bohn - 6 May 2010, 5:03 a.m.
- 991: Table of HP48 serial numbers and ROM versions, megarat - 13 Apr 2010, 12:22 p.m.
- 990: HP 82490A Translator Pac Overlay, Allen - 8 Feb 2010, 11:32 a.m.
- 989: R->P and P->R for the 35s, Reloaded, Frido Bohn - 26 Jan 2010, 4:06 a.m.
- 986: Psychrometric calculations on the HP 35s (and 50g), Maarten Ambaum (Reading, UK) - 22 Jan 2010, 11:14 a.m.
- 983: R->P & P->R for the 35s, Paul Dale - 21 Jan 2010, 5:22 a.m.
- 982: nCr and nPr - a 41-MCODE implementation, Ángel Martin - 27 Nov 2009, 10:46 a.m.
- 980: Fast DiGamma Function for Positive and Negative Real Arguments, Steven Thomas Smith - 26 Sept 2009, 6:06 a.m.
- 978: Fast Incomplete Gamma/Exponential Integral/Error Functions With Lentz's Method, Steven Thomas Smith - 23 Sept 2009, 1:28 p.m.
- 944: EIGEN: Characteristic equation+eigenvalues for order 2,3,4,5, Steven Thomas Smith - 1 Sept 2009, 12:39 p.m.
- 941: GAMMA and GAMMLN: Fast, Accurate Lanczos Approximation for Gamma Functions, Steven Thomas Smith - 1 Sept 2009, 12:49 p.m.
- 937: Enhance your HP-97 -- Add a Clock and More, Katie Wasserman - 1 Sept 2009, 6:53 p.m.
- 928: HP41 Prime Factorization Revisited, Ángel Martin - 27 July 2009, 3:58 a.m.
- 926: Mental juggling: Calculating the day of week, Thomas Klemm - 7 July 2009, 1:36 p.m.
- 925: A non destructive (easy) method for opening a spice calculator., Geoff Quickfall - 27 May 2009, 1:47 p.m.
- 923: HP 41 Battery posts, another repair, Geoff Quickfall - 20 Apr 2009, 2:58 p.m.
- 910: Power for HP82162A Printer and HP9114 Disc Drive, Philip Isaac (Canada) - 3 Mar 2009, 12:02 p.m.
- 909: INIT-Module for ERAMCO RSU-2 Rambox, PeterP - 18 Feb 2009, 6:37 p.m.
- 908: HP-71B Math RAM, Marcus von Cube, Germany - 16 Feb 2009, 8:06 a.m.
- 903: HP41 - How to mix and match UCODE and MCODE in a module, PeterP - 13 Feb 2009, 7:37 p.m.
- 902: cheaper batteries for the HP41CX, Michael Harwood - 30 Jan 2009, 9:32 p.m.
- 901: HP9815 - repairing the paper advance mechanism, Mark Edmonds - 19 Oct 2008, 8:29 a.m.
- 899: Many Digits of Pi (HP32sii, HP-16c, HP-12c, HP-12cp, HP-19c, HP-30b, HP-15c), Katie Wasserman - 17 Oct 2008, 11:56 p.m.
- 897: HP67/97 Navigation Pac I - Star Sight Planner Data Card Update for 2008, MikeO - 11 Aug 2008, 3:45 p.m.
- 896: HP-35S Multiple cashflow / NPV / IRR / NFV / NUS program, Caspar L - 1 Aug 2008, 2:18 p.m.
- 893: HP-35S Triangle solve program, Caspar L - 24 July 2008, 4:36 p.m.
- 887: A Third Order Linear Equation Solver for the HP-35S, Palmer O. Hanson, Jr. - 20 May 2008, 11:24 p.m.
- 886: An Extension for Stefan's Matrix Multi-Tool Program, Palmer O. Hanson, Jr. - 4 May 2008, 9:24 a.m.
- 881: A "Cadillac " Quadratic Solver for the hp 33s and HP35s, Palmer O. Hanson, Jr. - 29 Apr 2008, 11:40 a.m.
- 876: The MoHPC 9114 Repair Manual, PeterP - 26 Apr 2008, 8:37 p.m.
- 867: HP Calculator Simulators - with downloads, Mike T. - 5 Apr 2008, 5:08 p.m.
- 866: Effective Computer-aided Calculator Programming - Part 1 - Voyager, Egan Ford - 2 Apr 2008, 12:47 a.m.
- 836: Eramco Systems RSU-2 Soft Select (128K) for HP-41, Diego Diaz - 1 Apr 2008, 12:41 a.m.
- 826: Making sense of all the 41c Service ROM versions: 1A 1C 1D 2A 2B, Allen - 10 Mar 2008, 12:04 a.m.
- 802: 41C to 50g Migration, Egan Ford - 1 Mar 2008, 4:48 a.m.
- 780: HP-41C RECURSION SOLVES IT, designnut - 25 Feb 2008, 3:54 p.m.
- 763: Control the World with HP-IL/RS-232/41CX + X10, Egan Ford - 8 Sept 2007, 4:04 p.m.
- 746: Explore the World with HP-IL/RS-232/71B + GPS, Egan Ford - 8 Sept 2007, 3:32 p.m.
- 735: HP-35s bug list, Paul Dale - 22 Aug 2007, 6:22 p.m.
- 731: UserRPL stack commands, James M. Prange (Michigan) - 8 July 2007, 3:51 a.m.
- 722: A Third Order Complex Linear Equation Solver for the hp 33s, Palmer O. Hanson, Jr. - 20 June 2007, 10:27 p.m.
- 716: Making replacements for 82001 Classic Battery, Don Shaffer - 20 Apr 2007, 6:01 p.m.
- 712: programming using the HP 17bii+ solver, Don Shepherd - 14 Apr 2007, 2:48 p.m.
- 709: HP Calculator Software- Literature Survey, Charles - 31 Mar 2007, 4:38 p.m.
- 701: EE calculations, some not obvious, Sam Levy - 28 Mar 2007, 10:17 p.m.
- 700: Calculator Benchmark, Xerxes - 12 Feb 2007, 7:35 a.m.
- 697: HP-9845 used to produce footage for "Wargames" the movie, John - 6 Feb 2007, 7:16 a.m.
- 695: Fast and Accurate Trigonometric Functions on the HP-17BII, Gerson W. Barbosa - 12 Jan 2007, 5:17 p.m.
- 678: Eighth Order Linear Equation Solver for the hp 33s, Palmer O. Hanson, Jr. - 6 Oct 2006, 12:24 a.m.
- 676: Sixth Order Linear Equation Solver for the hp 33s, Palmer O. Hanson, Jr. - 16 Sept 2006, 10:37 p.m.
- 654: Fast and Accurate Trigonometric Functions on the HP-12C Platinum, Gerson W. Barbosa - 6 Aug 2006, 3:10 p.m.
- 601: EMU41 Update 2006, Christoph Klug - 15 June 2006, 4:44 p.m.
- 599: A Label Saving Simultaneous Equation Solution for the 33s, Palmer O. Hanson, Jr. - 29 May 2006, 10:19 a.m.
- 583: HP41CY - Replacing the internal +3v lithium cell, Christoph Klug - 27 Feb 2006, 4:09 a.m.
- 582: Some thoughts about possibilities uploading High-End Pioneer and Clamshell ROM images, Christoph Giesselink - 20 Feb 2006, 3:27 p.m.
- 580: Replacing the HP-9100 decimal select switch, David Smith - 6 Feb 2006, 7:07 p.m.
- 578: Repairing 9120 (and possibly other) printer platens, David Smith - 24 Jan 2006, 7:58 p.m.
- 577: Woodstock RAM chips, Eric Smith - 18 Jan 2006, 5:27 p.m.
- 575: Internet Protocol (v4) Addresses on the HP-16C, Cameron Paine - 20 Dec 2005, 2:36 a.m.
- 573: E-mails from Everett Kaser on the HP-85, john - 19 Dec 2005, 9:29 p.m.
- 570: "Double Memory" for the HP-33s, Paul Brogger - 12 Dec 2005, 6:41 p.m.
- 565: HP41C MCODE MOVE, Doug Wilder - 5 Nov 2005, 2:19 a.m.
- 563: My 2225B Thinkjet printer battery pack is dead: How can I recell it ?, Etienne Victoria - 25 Oct 2005, 5:10 p.m.
- 562: Accessing an HP-9133XV disk drive with an HP-85, Juergen (CH) - 12 Oct 2005, 8:56 a.m.
- 560: Transferring files from Series 80 Emulator to HP-85 via floppy disks, Juergen (CH) - 12 Oct 2005, 7:52 a.m.
- 556: SOLVE and INTEG on HP's RPN-based models, Karl Schneider - 2 Oct 2005, 12:05 a.m.
- 550: HP-IL, Linux and the Internet, Howard Owen - 27 July 2005, 4:07 p.m.
- 542: A Unix Geek Rediscovers the HP-41, Howard Owen - 5 June 2005, 8:08 p.m.
- 487: Fast and Accurate Trigonometric Functions on the HP-12C, Gerson Washiski Barbosa - 22 Apr 2005, 2:33 a.m.
- 484: I have a flashing star (or snowflake) on the bottom left of my 1xc's display. What might it be?, Etienne Victoria - 14 Apr 2005, 1:19 p.m.
- 483: Frequency, Eric Smith - 11 Apr 2005, 4:32 a.m.
- 480: A Narrative History of HP from 1958-1990, John Minck - 5 Apr 2005, 4:07 p.m.
- 470: Hyperbolic Approximations for Trigonometric Functions on the HP-12C, Gerson Washiski Barbosa - 26 Feb 2005, 1:27 p.m.
- 459: Bad Tones / Good Tones on HP41CX, Thomas (CH) - 13 Jan 2005, 12:47 p.m.
- 451: Pioneer keyboard schematic, Randy Sloyer - 13 Nov 2004, 8:36 p.m.
- 448: Uploading ROM´s for HP41 & EMU41, Christoph Klug - 24 Sept 2004, 10:35 a.m.
- 437: Primitive RPN Calculators, Palmer O. Hanson, Jr. - 21 Apr 2004, 12:34 a.m.
- 431: "Linear Programming" to Minimize LBL Usage on the HP-33s, Paul Brogger - 15 Mar 2004, 8:55 p.m.
- 428: HP-like RPN Java calculator for mobile phones, Roar Lauritzsen - 27 Feb 2004, 4:16 a.m.
- 420: homebrew woodstock batt pack, kevin clevenger - 27 Feb 2004, 12:49 a.m.
- 416: HP12C Platinum "curiosities", Vieira, Luiz C. (Brazil) - 24 Jan 2004, 9:01 p.m.
- 408: HP-49G+ -- A Look Inside . . ., Paul Brogger - 8 Dec 2003, 9:50 p.m.
- 396: Fifteen Digit Precision on the HP-32S, Palmer O. Hanson, Jr. - 18 Oct 2003, 12:43 a.m.
- 394: HP 67 Internals, Tony Duell - 2 Oct 2003, 9:42 p.m.
- 391: HP Charger Data, Tony Duell (UK) - 18 Sept 2003, 9:25 p.m.
- 390: Classic Charger Schematic, Tony Duell (UK) - 18 Sept 2003, 9:23 p.m.
- 389: HP 65 Internals , Tony Duell (UK) - 18 Sept 2003, 9:22 p.m.
- 388: HP 55 Internals, Tony Duell (UK) - 18 Sept 2003, 9:19 p.m.
- 387: HP 45 Internals, Tony Duell (UK) - 18 Sept 2003, 9:18 p.m.
- 385: HP 35 internals, Tony Duell (UK) - 18 Sept 2003, 9:15 p.m.
- 380: HP-97S Test Connector, Erik Wahlin (USA) - 6 Aug 2003, 9:37 p.m.
- 372: HP-15C First Degree Runge-Kutta Order 4, Patrick - 4 Aug 2003, 2:56 p.m.
- 361: Service tips for new owners of HP-34C, other spice calc's, Norm - 5 June 2003, 9:02 p.m.
- 350: HP16C Trigonometric Functions (no inverses so far), Vieira, Luiz C. (Brazil) - 13 May 2003, 1:46 a.m.
- 335: Replacement Nicads for HP Battery Packs, Katie Wasserman - 4 Mar 2003, 5:55 p.m.
- 329: Creating HP41 Double X-Memory Modules, Christoph Klug - 3 Mar 2003, 5:55 a.m.
- 327: Flatten vintage wrinkled HP card holders, Mark Hoskins - 28 Feb 2003, 12:41 p.m.
- 320: Program listers for HP-12C, 15C, 16C, Peter Heberer - 24 Feb 2003, 9:46 a.m.
- 313: HP28C: Hardware I/O basics, Christoph Giesselink - 20 Jan 2003, 3:30 p.m.
- 311: HP41 - PC Gateway & Emulator, Christoph Klug - 7 Jan 2003, 5:44 a.m.
- 310: Hiding Files in HP48G series calculator, HPunk® - 5 Jan 2003, 11:12 a.m.
- 305: Solving the problem of "HP49 Crashes when installing libraries in Flash ROM (Port 2)", HPunk® - 15 Dec 2002, 8:21 a.m.
- 302: Opening a Voyager, Steve - 29 Nov 2002, 4:24 p.m.
- 301: ElectroStatic Discharge: a possible solution for the HP48 , Vieira, Luiz C. (Brazil) - 27 Nov 2002, 7:25 a.m.
- 293: Removing the back labels to HP classic series calculators, Mark Hoskins - 10 Nov 2002, 11:53 p.m.
- 286: True Type Fonts® for the HP41, Voyagers and 82143A, Vieira, Luiz C. (Brazil) - 25 Aug 2002, 4:16 p.m.
- 281: 99 Digits of PI on an HP 32SII, Katie Wasserman - 19 June 2002, 11:08 p.m.
- 275: HP28S: Hardware I/O basics, Christoph Giesselink - 19 June 2002, 12:23 p.m.
- 269: HP-19C printer overhaul discoveries, Michael Meyer - 27 May 2002, 12:11 a.m.
- 268: Calculator Fiction -- The Mutant HP, Paul Brogger - 24 May 2002, 11:47 a.m.
- 267: A Common Woodstock Problem and Repair Suggestions, katie - 16 Apr 2002, 10:14 p.m.
- 266: HP-42S: New Facts, J-F Garnier (France) - 10 Apr 2002, 4:32 p.m.
- 262: hp-67 / hp-97 card reader repair hints (wheel & clutch), Bernd Schmeling - 3 Apr 2002, 5:47 p.m.
- 260: liffile - HP9114 LIF disk image file, Tony Duell - 20 Mar 2002, 11:55 p.m.
- 247: HP 49g...dedication necessary., Josh (USA) - 25 Feb 2002, 1:59 p.m.
- 241: Repairing the HP-67, Mark Hoskins - 30 Jan 2002, 1:49 p.m.
- 239: HP 41C Card Reader Repair, The Short Fix Approach, Mark Hoskins - 30 Jan 2002, 1:48 p.m.
- 236: HP 41 display reset., m robinso - 30 Dec 2001, 2:02 a.m.
- 234: Financial-Management (and Modified) Internal Rate-of-Return for the HP-17BII and HP-19BII, W. Bruce Maguire II - 29 Nov 2001, 4:49 p.m.
- 225: HP-12C Trigonometric Functions, Viktor Toth - 21 Oct 2001, 9:52 p.m.
- 222: Improved TRIG. and INVERSE TRIG. functions for the HP-17BII, W. B. Maguire II - 26 Sept 2001, 12:40 p.m.
- 210: HP-17BII precision: Epsilon, W. B. Maguire II - 24 Sept 2001, 4:33 p.m.
- 200: Better trig functions on HP17BII using Maclaurin series, Michael Blankenship - 10 Sept 2001, 11:35 a.m.
- 199: Increasing HP-42s Memory to 32K, Paul Brogger - 6 Sept 2001, 7:03 p.m.
- 196: HP-97 printer ribbon repair, Erik Wahlin - 6 Sept 2001, 1:07 a.m.
- 192: Interfacing IL2000 System to Analogue World, Klug Christoph - 13 Aug 2001, 2:17 p.m.
- 187: TRIG and inverse TRIG functions on the HP-17bII, W. Bruce Maguire II - 31 July 2001, 7:13 p.m.
- 184: UPDATE: New batteries in old HPs, W. Bruce Maguire II - 31 July 2001, 3:34 p.m.
- 181: New batteries in old HPs, W. Bruce Maguire II - 27 July 2001, 4:24 p.m.
- 180: HP-97 Card Reader Repair, Mike Davis - 17 July 2001, 6:03 p.m.
- 179: HP-67 Card Reader Repair, Mike Davis - 17 July 2001, 6:02 p.m.
- 170: Golden Ratio and HP-1xC series , John Ioannidis - 4 July 2001, 12:22 p.m.
- 154: HP 9810/9820 Card Reader Drive Wheel Repair, Katie Wasserman - 6 Apr 2001, 4:29 p.m.
- 149: Reseting an HP41, Steve (Australia) - 24 Mar 2001, 6:47 a.m.
- 146: Batt. Pack for HP 80 & HP 67, Thomas G. Magee - 9 Mar 2001, 4:17 p.m.
- 144: Impressions on the HP-49G, Ernie Malaga - 2 Mar 2001, 9:12 a.m.
- 139: HP-41 Fonts, Ernie Malaga - 27 Feb 2001, 6:09 p.m.
- 138: HP46 Printer Repair Tip, Alex Knight - 26 Feb 2001, 3:43 p.m.
- 128: Opening the HP48: Addendum, David Fenyes - 20 Feb 2001, 8:31 p.m.
- 125: HP48 Disassembly (from the back), David Fenyes - 18 Feb 2001, 3:00 p.m.
- 118: Serial port downloads from (Linux) PC to HP-41, Tony Duell - 10 Feb 2001, 2:59 p.m.
- 111: HP 65 card reader tips: reinforcing the worm gear clutch, Rafa, Spain - 28 Jan 2001, 3:55 p.m.
- 108: The (not so) Big List of HP Part Numbers, John Kono - 5 Jan 2001, 4:27 a.m.
- 86: HP Calculator Opcode Map, George Weigt - 14 Dec 2000, 5:48 p.m.
- 84: HP-97 Printer Gear Replacement, Katie Wasserman - 15 Nov 2000, 2:07 a.m.
- 79: HP-67 automatic documenting program for Excel, John H. Meyer - 10 Sept 2000, 4:54 p.m.
- 78: HP9114 repairs (not for the faint hearted), Steve (Australia) - 9 Sept 2000, 12:40 p.m.
- 74: IR Printer information, Steve (Australia) - 31 July 2000, 11:00 a.m.
- 71: Some information on the CCD-Rom -W&W CCD A or -W&W CCD B, Reinhard Breuer - 24 July 2000, 11:10 p.m.
- 63: Repairing pre-recorded cards for HP-65, 67, 97, Erik Wahlin - 20 July 2000, 8:50 a.m.
- 62: How to un-private an HP-41 program, Steve (Australia) - 22 June 2000, 6:05 a.m.
- 60: Recovering shorted battery packs, Steve (Australia) - 19 June 2000, 2:40 a.m.
- 57: Repairing the hp 82104A Card Reader , Dave the "lostrabbit" - 25 May 2000, 12:05 p.m.
- 54: HP-41/PC User-Code Transfers, Leo Duran - 24 May 2000, 12:16 p.m.
- 42: HP-41C "Decompiler" and "BarCode Maker", Dan McDonald - 14 May 2000, 1:11 p.m.
- 27: AWK Translator for Keycodes, bill duncan, ve3ied - 23 Apr 2000, 1:08 a.m.
- 26: The continued fractions algorithm (was: Re: Converting a decimal # to a fraction #), rupert9000 - 22 Apr 2000, 6:09 p.m.
- 24: HP-IL Files: Where, What, Why, How, etc., Dan McDonald - 7 Apr 2000, 12:34 p.m.
- 5: Pioneer "Observational Internals", Paul J. Brogger - 2 Apr 2000, 9:29 p.m.
- 3: HP-41 Hardware Interface Activities, Klug Christoph - 2 Apr 2000, 9:22 p.m.
- 2: Repairing an HP-41CX, Stefan Vorkoetter - 2 Apr 2000, 9:20 p.m.
- 1: Hewlett Packard HP-25 Calculator: The Minimum Computer, James Blodgett - 2 Apr 2000, 9:14 p.m.
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