The HP Calculator Specialist
Our aim is to provide the ultimate reference and support for HP calculators, new and old, in Europe. Please help us to improve the site with your comments to sales@thecalculatorstore.com
All our new calculators are Official European product, with full 2-years HP-Europe guarantee.
Assembly kit for HP-41c battery bay and expansion portsProduct no.: AssemblyFlexParts for battery-back port module repair kit, or module assembled for the often damaged flexible PCB in the battery bay (and I/O ports) of the HP-41c range of calculators. Shipping included in price for EU customers. Please choose option! New price: cheaper circuit translating to 10% lower price! |
HP PrimeProduct no.: HP Prime
New version HP-PRIME G2/B1S (2AP18AA) !! HP Prime is the first color touch screens in the industry that today’s gadget savvy students can easily interact with. We are currently shipping this model all around Europe. This version is approximately twice as fast than the previous version
Old price
159.90 €
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New Woodstock Battery holder 3DProduct no.: Woodstock3DBattery holder case for the Woodstock family of calculators, made with 3D printing and springs in stainless steel 304 alloy |
Feet for HP41c HP41cv HP41cx calculators - set of 4Product no.: feet41cAdhesive black silicone feet for HP41c HP41cv HP41cx calculators |
HP 41C Tall Keys Scientific Calculator - USED (Originalbox: Tall keys)HP41c Tall Keys, perfectly working, with all port covers and no traces of rusting. |
HP 41C Scientific Calculator - USEDProduct no.: HP41c - used[2]HP41c perfectly working, with all port covers and battery holder in HP 3D printing process. The battery holder has new stainless steel springs and battery retention wings. The screen has a small glass indent in the top right corner, as seen in the pictures, not affecting readability or performance.
Old price
145.00 €
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HP 41C Scientific Calculator - USEDProduct no.: HP41c - usedHP41c perfectly working, with all port covers and battery holder in HP 3D printing process. The battery holder has new stainless steel springs and battery retention wings. It has a couple of small nick in the lower part of the body (see pictures) and the USER key feels soft (but registers 100%)
Old price
145.00 €
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HP 41CV Scientific Calculator - USEDThe HP-41C series are programmable, expandable, continuous memory handheld RPN calculators made by Hewlett-Packard from 1979 to 1990. The original model, HP-41C, was the first of its kind to offer alphanumeric display capabilities. Later came the HP-41CV, with 4 times the memory space. This is a very good sample, perfectly working, with a small crack in the screen (see pictures) and name written in original battery box. Comes with all port covers (the side cover is The Calculator Store's 3D printed part). Comes with no case |
Battery holder 3DProduct no.: Battery holder 3DBattery holder case for the HP41 family of calculators, made with 3D printing and springs in stainless steel 304 alloy |
New HP41c Port cover - 3DProduct no.: Port cover 3DHP41c back port cover - 3D, new - set of 4. |
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12c Platinum Financial CalculatorMore powerful and capable than ever, the HP 12c Platinum is up to 6 times faster with 4 times more memory than the original HP 12c. (the current HP 12c in this shop is a new model based in the ARM processor which is 25 times faster than the HP 12c Platinum) However, it takes up to 399 program lines, compared with just 99 of the plain 12c model. Choose between RPN1 or algebraic entry-system logic, handle up to 80 cash flows and utilize over 130 built-in functions.
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New HP 39GIIProduct no.: NW249AA#ABANow shipping!! The newest calculator in the HP graphical stable. Programmed from scratch in native ARM code, and with a 127 x 256 pixels screen with gray levels, it is much faster than previous HP calculators and also than the competition. The solid feel makes it an ideal calculator for school, in particular for those countries that do not allow CAS devices in class.
Old price
69.90 €
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HP 35s Scientific CalculatorGet professional performance from the ultimate RPN scientific programmable calculator. Switch between RPN1 and algebraic entry-system logic at any time. The HP 35s features a two-line display, and the powerful HP Solve2 application. |
HP 17bII+Ideal for real estate, finance and business professionals, the HP 17bII+ features a simple keyboard, 250 menu-driven functions, RPN1 and algebraic entry-system logic. Its intelligent menu system allows you to concentrate on the problem, not on the calculator. After more than 20 years and 3 versions with different processors, its unsurpassed function set and user friendliness keeps the HP17bII in the to echelon of financial calculators. |
New HP 10bII+Product no.: NW239AAGet the answers you need quickly with the easy-to-learn and use HP10bll+ Financial Calculator. Whether you are a student or a practicing professional, the HP 10bll+ makes it easy to solve business, financial, statistical, and math calculations accurately and quickly, at a price that everyone can afford. The design packs plenty of features to make your work less complicated. |
New HP 17BII original - in box - USEDProduct no.: HP 17bII in boxOriginal HP17bII calculator. Excellent state. Original cover, box and manual. Works with both Algebraic and RPN sold out |
New HP10s+Product no.: NW276AAUser-friendly design, easy-to-read display and a wide range of algebraic, trigonometric, probability and statistics functions for your Math and Science classes
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New Upper Post Repair partProduct no.: UpperPostRepairPiece to repair HP41c series upper screw posts (tested with both fullnut and halfnut versions) |
New HP41c Lower Post Repair KitProduct no.: Lower Post Repair KitSet of pieces needed to repair successfully the lower posts of HP41C, 41CV and 41CX full nut calculators, including zebra connectors, lower post part, and keyboard support for clothes' pegs to protect the keyboard
Old price
62.00 €
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New Zebra connectors for HP41C repairProduct no.: zebra pairThis piece is for repair of HP41c full nut calculator, substituting the damaged or corroded zebra connector that links the main board with the processor circuit. Pair |
Piece for repair of back case of HP41CProduct no.: brokenback1 Piece for repairing HP41c back cases. This piece is for repair of HP41c back halves, specifically the support of the upper screw heads that is often damaged, and very difficult to repair in a lasting way.
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Battery LR44 for HP12c old, HP17bII - set of 3Product no.: LR44LR44 battery for calculators of Voyager series (HP10c, HP11c, HP12c old, HP15c and HP16c) and Pioneer series (HP10b, HP17bII, HP42s, HP27s) |
New zebra connector holderProduct no.: zebraholderZebra Holder to keep the elastomeric zebra connectors in the contacts between main board and processor circuit in the HP41c calculator family, full nut versions. |
New Lower Post Repair partProduct no.: LowpostrepairPiece to repair HP41c full nut series lower screw posts |
New HP41c Port cover - originalProduct no.: Port coverHP41c back port cover - original and used. |
New Repair kit for HP-41c battery bay and expansion portsProduct no.: Flex-PCBAdhesive circuit for the often damaged flexible PCB in the battery bay (and I/O ports) of the HP-41c range of calculators. Shipping included in price. |
Repaired HP41c back sideProduct no.: HP41CbackRepaired back side of HP41c. It can be used in case the original backside has the screw supports broken. |
4 x Piece for repair of back case of HP41CProduct no.: brokenback44 pieces for repairing HP41c back cases. This piece is for repair of HP41c back halves, specifically the support of the upper screw heads that is often damaged, and very difficult to repair in a lasting way.
Old price
72.00 €
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New Firmware Flashing service for HP30b, HP20bProduct no.: FlashWe offer the flashing of new firmware for the 10bII+, 12c+, 20b and 30b. These calculators have a port that allows the user to flash a new firmware. For that, a special cable is needed. |
New HP 17bII - Pioneer series battery bayProduct no.: back cover PioneerPioneer series battery cover: HP10b, HP14b, HP17bII, HP42s, HP27s,HP22s, HP32sII |
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New HP32sII - USEDProduct no.: HP32sII[2]Like the HP-32S except for additional support for algebraic math and fractions. Fractions are entered by pressing the decimal key a second time. This model also added a second shift key, simplifying menus at the expense of a more cluttered keypad design. |