Synthetic Programming on the Hewlett-Packard HP-41C Very scarce title. Overall, the book is in very good condition. Softcover. Copyright 1982. This item ships WORLDWIDE.

HP X Memory Module Pac 82181A for HP-41C/41CV/41CX Calculators

Synthetic Programming on the Hewlett-Packard HP-41C Very scarce title. Overall, the book is in very good condition. Softcover. Copyright 1982. This item ships WORLDWIDE.

1978 Algorithms for RPN Calculators Scarce title. Contains an overview, comparisons, and pictures of the HP-25, HP-35, HP-45, HP-65, HP-67, Novus Mathematician, Novus Scientist, Corvus 500, and other RPN calculators, as well as an introduction to RPN, tips on creating efficient algorithms, and sample programs spanning a wide variety of topics. Also included are hints for porting algorithms between various calculators. Apart from a little cover wear, the book is in very good condition. Hardcover, 344 pages. This item ships WORLDWIDE.

Used Hewlett Packard Math PAC Module in very good condition. Includes modute, Box, Manual, quick reference card & Overlays. For HP-41C 41CV 41CX.

Vintage 1979 Hewlett-Packard HP-41C Calculator. Made in USA, 1979. Working well (batteries not included). Ive run various tests found online, and it appears to pass them all. Missing the cartridge slot covers and one of the rubber feet. Keys are clicky except for 2 and 3, which arent clicky, but they still work fine. A bit dirty, but should clean up well. Please study pics for further details. Please see my other auctions for more interesting items, and save on shipping if you win multiple lots. This item is being sold strictly AS-IS, as described. Please be sure to scroll to the bottom of this page to see if any important questions have been asked/answered about this item prior to placing your bid. Local pickup for large/fragile/valuable items is always welcome. If you inform me that you intend to pick the item up in person, I will request cash payment. For small/non-fragile items of minimal value, I prefer to ship even if you are local. Please be aware that I often use recycled packaging materials when safe and available, so your item may not arrive in a brand new box/package, but it will be safely packaged nonetheless.Email contact from winning bidder must be made within 4 days of the end of the auction. (If you are planning on being away from your computer during this time frame, please let me know in advance.) Payment must be made within 10 days of the end of the auction or you risk forfeiting the item. International Buyers – Please Note: Import duties, taxes, and charges are not included in the item price or shipping cost. These charges are the buyers responsibility. Please check with your countrys customs office to determine what these additional costs will be prior to bidding or buying. Once you receive the item and you are satisfied with the transaction, please let me know by leaving positive feedback for me, and I will then reciprocate. If, for some reason, you are not satisfied with the item, send me an email and Im sure we can work out a solution to the problem without the need for negative feedback! Oh, and thanks for looking! Powered by SixBits eCommerce Solution

HP-41C / 41CV Quick Reference Guide, 1/1981 Printing. See photos for condition. Some minor staining.

Manual only. See photos for actual item.

HP CARD READER 82104A RARE VINTAGE CALCULATOR ACCESSORY*Rare HP card reader is in excellent cosmetic condition for parts only.*Unit doesnt pull cards, needs a rebuild.*Includes 10 unused magnetic cards, manual, reference guide and 4 HP name stickers.*Serial number 2446S80706.*Please view photos as they are part of the description. *All items from Vintage Calculators Inc come from a smoke free environment.*100% satisfaction guaranteed or prompt refund including original shipping.*Check our feedback comments from our Domestic and International clients.*We combine shipping and have quality items delivered worldwide.

1978 Algorithms for RPN Calculators Scarce title. Contains an overview, comparisons, and pictures of the HP-25, HP-35, HP-45, HP-65, HP-67, Novus Mathematician, Novus Scientist, Corvus 500, and other RPN calculators, as well as an introduction to RPN, tips on creating efficient algorithms, and sample programs spanning a wide variety of topics. Also included are hints for porting algorithms between various calculators. Apart from a little cover wear, the book is in very good condition. Hardcover, 344 pages. This item ships WORLDWIDE.

1978 Algorithms for RPN Calculators Scarce title. Contains an overview, comparisons, and pictures of the HP-25, HP-35, HP-45, HP-65, HP-67, Novus Mathematician, Novus Scientist, Corvus 500, and other RPN calculators, as well as an introduction to RPN, tips on creating efficient algorithms, and sample programs spanning a wide variety of topics. Also included are hints for porting algorithms between various calculators. Overall, the book is in very good condition. Hardcover, 344 pages. This item ships WORLDWIDE. #2B

1978 Algorithms for RPN Calculators Scarce title. Contains an overview, comparisons, and pictures of the HP-25, HP-35, HP-45, HP-65, HP-67, Novus Mathematician, Novus Scientist, Corvus 500, and other RPN calculators, as well as an introduction to RPN, tips on creating efficient algorithms, and sample programs spanning a wide variety of topics. Also included are hints for porting algorithms between various calculators. Overall, the book is in very good condition. Hardcover, 344 pages. This item ships WORLDWIDE. #2

Synthetic Programming on the Hewlett-Packard HP-41C Very scarce title. Overall, the book is in very good condition. Softcover. Copyright 1982. This item ships WORLDWIDE.

An application Module for the HP-41 Series of calculators. It is titled MILENG1/UTIL and was created for military combat engineers to use. Also included is a downloaded copy of the relevant section of a magazine called Engineer: The Magazine for Army Engineers dated Fall 1982. It is the only reference I could find about how to use this module. According to the magazine article 250 copies of this module were going to be produced. Of those, 150 were committed to the US Army Engineer School and 100 were going to be made available to individual combat engineers. The module has been tested in a 41CX and does work. NOTE: This auction is for the Module and Magazine excerpt only. No calculator or other accessories are included. Shipping to US addresses only. I estimate a shipping weight of 0.5 pounds from Zip Code 91042. I can ship First Class within USA. TERMS & CONDITIONS 1, Winning Bidder to prepay including postage in the US 2. Insurance extra and at cost 3. International shipping via Postal Service extra and at cost. Winning Bidder is responsible for any Customs or Import fees and taxes 4. Please do not ask me to falsify any Customs Form data 5. Payment must be received within 3 days of auction end 6. Please only bid if you have a zero or above Feedback Rating (the number after your User ID). You must be a currently Registered User in good standing to bid on this item. All violators will have their bids cancelled. 7. I use Ebays Non-Paying Bidder reporting procedure 8. Please do not ask me to end the auction early, do a private sale or a trade for this item 9. Please do not ask me to reveal any Reserve prices 10. I will declare this auction null & void if there are any illegal bid retractions and report them to Ebay 11. Requests for returns must be made within 14 calendar days from receipt

1978 Algorithms for RPN Calculators Scarce title. Contains an overview, comparisons, and pictures of the HP-25, HP-35, HP-45, HP-65, HP-67, Novus Mathematician, Novus Scientist, Corvus 500, and other RPN calculators, as well as an introduction to RPN, tips on creating efficient algorithms, and sample programs spanning a wide variety of topics. Also included are hints for porting algorithms between various calculators. Apart from a little cover wear, the book is in very good condition. Hardcover, 344 pages. This item ships WORLDWIDE.

Synthetic Programming on the Hewlett-Packard HP-41C Very scarce title. Overall, the book is in very good condition. Softcover. Copyright 1982. This item ships WORLDWIDE.

Working SHIPPING TIME IS WILDLY INACCURATE: ITEM WILL BE SHIPPED WITHIN 3 BUSINESS DAYS. Please see pictures for all included and best description of condition. Message me with any questions or offers.

1978 Algorithms for RPN Calculators Scarce title. Contains an overview, comparisons, and pictures of the HP-25, HP-35, HP-45, HP-65, HP-67, Novus Mathematician, Novus Scientist, Corvus 500, and other RPN calculators, as well as an introduction to RPN, tips on creating efficient algorithms, and sample programs spanning a wide variety of topics. Also included are hints for porting algorithms between various calculators. Overall, the book is in very good condition. Hardcover, 344 pages. This item ships WORLDWIDE. #2B

HP-41C / 41CV Quick Reference Guide, 1/1981 Printing. See photos for condition. Some minor staining.

Manual only. See photos for actual item.

HP82104A Card reader Tested, Working Rebuilt for HP-41C, HP-41CV, HP-41CX. Recently rebuilt and working, selling as described and pictured. Device functions and works. CALCULATOR NOT INCLUDED Ships using USPS First Class to your confirmed US address. Thank you!

1978 Algorithms for RPN Calculators Scarce title. Contains an overview, comparisons, and pictures of the HP-25, HP-35, HP-45, HP-65, HP-67, Novus Mathematician, Novus Scientist, Corvus 500, and other RPN calculators, as well as an introduction to RPN, tips on creating efficient algorithms, and sample programs spanning a wide variety of topics. Also included are hints for porting algorithms between various calculators. Apart from a little cover wear, the book is in very good condition. Hardcover, 344 pages. This item ships WORLDWIDE.

1978 Algorithms for RPN Calculators Scarce title. Contains an overview, comparisons, and pictures of the HP-25, HP-35, HP-45, HP-65, HP-67, Novus Mathematician, Novus Scientist, Corvus 500, and other RPN calculators, as well as an introduction to RPN, tips on creating efficient algorithms, and sample programs spanning a wide variety of topics. Also included are hints for porting algorithms between various calculators. Overall, the book is in very good condition. Hardcover, 344 pages. This item ships WORLDWIDE. #2B

1978 Algorithms for RPN Calculators Scarce title. Contains an overview, comparisons, and pictures of the HP-25, HP-35, HP-45, HP-65, HP-67, Novus Mathematician, Novus Scientist, Corvus 500, and other RPN calculators, as well as an introduction to RPN, tips on creating efficient algorithms, and sample programs spanning a wide variety of topics. Also included are hints for porting algorithms between various calculators. Apart from a little cover wear, the book is in very good condition. Hardcover, 344 pages. This item ships WORLDWIDE.