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Trying to get a hold of one of those last few units of that irreplaceable discontinued model or looking for a substitute for your favorite calculator that is no longer available? We'll do our best to help! Here you'll find a list of all discontinued calculators that we still have available, calculators we have a good chance of being able to locate for you, as well as our recommended substitutes for those difficult to replace models.


Casio SL-910LA 8-Digit Solar Calculator
Casio SL-910LA 8-Digit Solar Calculator

$11.95
Hewlett Packard HP-6S Solar Scientific Calculator (Off-Brand)
Hewlett Packard HP-6S Solar Scientific Calculator (Off-Brand)

$29.95
Sale: $24.95, 3/$69.99, 12/$264.96, 24/$479.76
Hewlett Packard Serial Interface Kit for 49G and 48G Calculators
Hewlett Packard Serial Interface Kit for 49G and 48G Calculators

$54.95
Texas Instruments BA-35 Student Business Analyst Solar Financial Calculator - Used
Texas Instruments BA-35 Student Business Analyst Solar Financial Calculator - Used

$89.95
Hewlett Packard HP-20S Used Algebraic Scientific Calculator
Hewlett Packard HP-20S Used Algebraic Scientific Calculator

$99.95
Sale: $89.95
Hewlett Packard Used HP-20S Algebraic Scientific Calculator
Hewlett Packard Used HP-20S Algebraic Scientific Calculator

$349.95
Sale: $89.95
Hewlett Packard HP-49G+ RPN and Algebraic Graphing Calculator (Refurbished)
Hewlett Packard HP-49G+ RPN and Algebraic Graphing Calculator (Refurbished)

$149.95
Sale: $69.95
Hewlett Packard HP-39G  Graphing Calculator
Hewlett Packard HP-39G Graphing Calculator

$79.95
Hewlett Packard HP-48SX Used Graphing Calculator
Hewlett Packard HP-48SX Used Graphing Calculator

$139.95
Hewlett Packard HP-48G Used RPN Graphing Calculator
Hewlett Packard HP-48G Used RPN Graphing Calculator

$119.95
Sale: $99.95
Hewlett Packard HP-28S RPN Programmable Calculator (Used)

$149.95
Sale: $99.95
Hewlett Packard HP-48G Plus Used Graphing Calculator
Hewlett Packard HP-48G Plus Used Graphing Calculator

$189.95
Sale: $159.95
Hewlett Packard HP-48GX Graphing Calculator
Hewlett Packard HP-48GX Graphing Calculator

$599.95
Hewlett Packard HP-48GX Used Graphing Calculator
Hewlett Packard HP-48GX Used Graphing Calculator

$349.95
Sale: $249.95
Hewlett Packard HP-17BII Algebraic Financial Calculator (Used)
Hewlett Packard HP-17BII Algebraic Financial Calculator (Used)

$139.95
Sale: $69.95
Hewlett Packard HP-17BII Algebraic Financial Calculator (Like New)
Hewlett Packard HP-17BII Algebraic Financial Calculator (Like New)

$179.95
Sale: $159.95
Hewlett Packard HP-17BII Algebraic Financial Calculator
Hewlett Packard HP-17BII Algebraic Financial Calculator

$199.95
Hewlett Packard HP-19BII Used Advanced Algebraic Financial Calculator
Hewlett Packard HP-19BII Used Advanced Algebraic Financial Calculator

$349.95
Sale: $199.95
Hewlett Packard HP-19BII Advanced Algebraic Financial Calculator
Hewlett Packard HP-19BII Advanced Algebraic Financial Calculator

$449.95
Hewlett Packard HP-32SII Used RPN Scientific Calculator
Hewlett Packard HP-32SII Used RPN Scientific Calculator

$299.95
Sale: $249.95
Hewlett Packard HP-32SII RPN Scientific Calculator
Hewlett Packard HP-32SII RPN Scientific Calculator

$449.95
Hewlett Packard HP-32SII Used RPN Scientific Calculator (Brown Bezel)
Hewlett Packard HP-32SII Used RPN Scientific Calculator (Brown Bezel)

$299.95
Sale: $224.95
Hewlett Packard HP-32SII RPN Scientific Calculator (Brown Bezel)
Hewlett Packard HP-32SII RPN Scientific Calculator (Brown Bezel)

$499.95
Hewlett Packard HP-49G Graphing Calculator
Hewlett Packard HP-49G Graphing Calculator

$279.95
Hewlett Packard Refurbished HP-49G Graphing Calculator
Hewlett Packard Refurbished HP-49G Graphing Calculator

$189.95
Hewlett Packard HP-82240B Infrared Printer for Calculators, Auto Testers, Analyzers, and Scanners
Hewlett Packard HP-82240B Infrared Printer for Calculators, Auto Testers, Analyzers, and Scanners

$199.95
Texas Instruments TI-92 Plus Graphing Calculator (Used)
Texas Instruments TI-92 Plus Graphing Calculator (Used)

$219.95
Sale: $79.95

Other Calculators
The list below describes some of the models we may be able to acquire for you along with approximate costs; contact us if if interested:

Sharp EL-211 - Used in Good condition. Includes batteries. Available immediately. $14.95.

Casio mini-8 - Used in Very Good condition. Includes case and batteries. Available immediately. $39.95.

Texas Instruments TI-35X - Used in Fair condition. Include slide cover. Available immediately. $14.95.

Recommended Replacements
For calculators orderable above please see the item page for recommended replacements. Here are recommended replacements for some other hard to locate models:

HP-11, HP-15:
MathU - Advanced Scientific and Financial RPN Calculator for Palm Pilot
MathU Pro - Advanced Scientific and Financial Programmable RPN Calculator for Palm Pilot
Pocket 15C Scientific Calculator for Pocket PC

HP-17, HP-19:
Hewlett Packard HP-17BII Plus Financial Calculator
MathU - Advanced Scientific and Financial RPN Calculator for Palm Pilot
powerOne Finance - Financial Calculator for Palm, Pocket PC, Windows

HP-27:
Hewlett Packard HP-19BII Financial Calculator (no bin/oct/hex conversions or algerbraic precidence)
Hewlett Packard HP-17BII+ Financial Calculator (no bin/oct/hex conversions, algerbraic precidence, or trig functions)

HP-28 (no graphics):
RootM - Complex Number Scientific RPN Calculator for Palm Pilot

HP-42:
RootM - Complex Number Scientific RPN Calculator for Palm Pilot
MathU Pro - Advanced Scientific and Financial Programmable RPN Calculator for Palm Pilot

HP-32, HP-41, HP-67:
Hewlett Packard HP-33S Scientific Calculator
MathU Pro - Advanced Scientific and Financial Programmable RPN Calculator for Palm Pilot

TI-25X:
Texas Instruments TI-30Xa Battery Scientific Calculator
Texas Instruments TI-30XIIS 2 Line Dual-Power Scientific Calculator
Casio FX-260 Solar Scientific Calculator

If you can suggest a better replacement for one of the above calculators or would like something added to the list please let us know.

Looking for Something Else?
At this time our focus is on in-production calculators and thus we are unlikely to be able to locate models required by collectors or other very rare calculators. You are welcome to submit a request and we will do our best to locate the calculator or suggest a replacement. Note that you might not receive a response if we are unable to offer any assistance at the time, but we will keep your request on file and notify you of any developments in the future. We do hope to be able to offer a more extensive search service in the future.

If you are looking for something that is not currently available we also recommend the following sources:

eBay

Amazon


Contact Us: Have a question, suggestion, or concern? Visit our Help Center for assistance!

Suggest-A-Calc: We are always looking for innovative, high-quality products. If you don't see your favorite calculator let us know and we'll notify you when it becomes available!

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