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HP Calculator Ads (Without Auctions)

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This forum is for the buying and selling of older (out-of-production) HP calculators, computers and parts and supplies as well as mechanical calculators and slide rules. Please do not publish ads for the same items or services more frequently than once per week. Inappropriate or frequently reposted ads may be deleted at any time with or without notification. Please review the Terms of Use for more complete information.

The Museum of HP Calculators and the curator take no responsibility for ads placed here. Please take appropriate precautions when dealing with strangers over the internet. Please Beware of Scams!! Please use the HP forum section for general discussions.

The following abbreviations are used:

(WTB)

Want To Buy           

(AUCTION)

For sale by online Auction (like eBay)

(FS)

For Sale at fixed price

(TRADE)

For Trade (only)

(FSBO)

For Sale at Best Offer

(FSOT)

For Sale Or Trade

(MFSBO)

May be For Sale at Best Offer

(SW)

Service Wanted

(FSOBO)

For Sale at fixed price Or Best Offer

(SO)

Service Offered

(FREE)

Free item(s)


HP advertisement Index (Without Auctions)

The most recent ads are shown with previews. Click on a title to see a complete ad.

HP advertisements Posted or Modified Within the Last Archive

13 of 24 HP advertisements Displayed
(Reversed Threaded Listing)

HP 9820A (FSBO)
I've for sale a HP 9820A with working printer and card reader. | Calculator is in nice condition fully working with 2 rom cardridges. | Item is located in the Netherlands, will be shipped worldwide. | I'm open for offers..
[Contact Rik Bos | View complete ad] Posted 10 Dec 2013

48sx Overlays (P/N 82220a and 82210a) (WTB)
Looking for the generic 82220a overlay kit for the 48sx and the 41CV Emulator Card Overlay (82210a). Thanks!
[Contact svisvanatha | View complete ad] Posted 8 Dec 2013

HP20b/HP30b Programming Cable (WTB)
I'm looking for an HP20b/HP30b programming cable. I'm hoping that someone has one they don't need anymore. Thanks.
[Contact Stephen Rose | View complete ad] Posted 3 Dec 2013

HP Portable Plus accessories (WTB)
Recently I required an almost "naked" Portable Plus, and now I am looking for printed (original) documentation and software rom modules, particularly programming languages, or other accessories. | Also if you want to sell a complete Portable Plus system, please make an offer.
[Contact Michael Fehlhammer | View complete ad] Posted 27 Nov 2013

2014 pocket computer calendar (FS)
Following the success of my 2014 HP calendar, I have also made a 2014 pocket computer calendar. It showcases HP along with other brands such as Sharp, Casio, Elektronika, Panasonic, etc. You can view and/or purchase here: http://www.redbubble.com/people/kmidson/calendars/11094561-vintage-pocket-computers
[Contact Keith Midson | View complete ad] Posted 26 Nov 2013

Bringslid BAS Calculus Mathematics 1 Expansion Card for HP48 (FSBO)
Expansion card for HP48 series with manual. | BAS Calculus New Mathematics 1 VER 3.0 | Produced by Odd Bringslid ISV Spenningsgate 11 3601 Kongsberg Norway | From the table of contents: | Integration | Algebra | Functions | Liner Equations | 2D Curves | Series | Complex Numbers | Functions of Several Variables | Diffequations | Numerical Methods | Solved Problems | 172 pages spiral bound manual and expansion card.
[Contact Chris Pem10 | View complete ad] Posted 20 Nov 2013

Xpander Prototype (FS)
I am selling one of my HP Xpander prototypes. It is in mint condition and Comes with power cord, stylus, hard cover, CD manual (copy, not original), and computer connection cord. It does not come with the original box or user manual sorry. I can send you photos if you like - I have some on my Flickr collection site http://www.flickr.com/photos/60529780@N02/7854887210/in/set-72157626354800664 | If it doesn't sell here within a week or so then I will list on ebay. Asking US$350 which includes postage to anywhere in the world (i'm located in Australia). Payment by PayPal or wire transfer. | T. . .
[Contact Keith Midson | View complete ad] Posted 17 Nov 2013

Sparcom Spice48 expansion card for HP 48 (FSOT)
Hello, | I have a Sparcom/DaVinci Spice48 card that is looking for a new home (alas, without manual). Ideally I would do a trade, as I'm looking for either a Sparcom General Chemistry Reference Pac (with manual), or the original Educalc "leather desk" case for the HP 48-series calculators, or perhaps a Math Pro Pac. That said, if I can't find an appropriate trade, I'll be happy to sell it. | Please message me if you're interested.
[Contact megarat | View complete ad] Posted 13 Nov 2013

2014 HP calendar (FS)
Hi all, i've made a 2014 calendar from various photos from my collection. | It can be viewed and purchased from Redbubble - http://www.redbubble.com/people/kmidson/calendars/11094118-hewlett-packard-calendar | Hope you enjoy - it was hard to decide what photos were 'in' and 'out' with only 12 months. I may do another that includes vintage pocket computers. Let me know if there are any that you would like to see included. Cheers, Keith
[Contact Keith Midson | View complete ad] Posted 13 Nov 2013

HP-41 Flex-PCB replacement (FS)
Hi all, | A new batch of Flex-PCB replacements is available at 22Euro/unit. | This time I've placed a 'Buy It Now' ad at eBay; item# 111210794951. | Cheers from Caribbean. | Diego Diaz. | (www.clonix41.org)
[Contact Diego Diaz | View complete ad] Posted 8 Nov 2013

Sharp PC-1280 (WTB)
Mint or new preferred. Please make an offer with pictures and full description.
[Contact From Hong Kong | View complete ad] Posted 1 Nov 2013

HP50g mint condition UK (FS)
HP50G for sale due to recent underuse. | Comes with USB cable, 1Gb SD card, fresh batteries and soft case. Perfect condition. Current OS release. | Will accept 45 for collection from London (TW7 postcode) or 50 for delivery anywhere in the UK. | Available with two full sets of awesome Sanyo Eneloop rechargeable low self-discharge AAA batteries and a slow charger for an additional 15.
[Contact Chris Smith | View complete ad] Posted 25 Oct 2013

HP 9807a ROM wanted to buy or loan (WTB)
My HP integral powers up but does not boot. Can anyone sell or loan me a HP-UX ROM, BASIC or service ROM, so that I can test. Thanks.
[Contact dbintley | View complete ad] Posted 22 Oct 2013


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