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.
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.
Hewlett Packard 14B 50th Anniversary Limited Edition - Used in Very Good condition with original case. Includes batteries. Available immediately. $59.95.
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:
SwissMicros DM11L
SwissMicros DM15L
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:
SwissMicros DM42
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:
SwissMicros DM41L
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