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Texas Instruments Collegiate

Texas Instruments Collegiate
Image: Mark Bollman, used with permission

The Texas Instruments Collegiate is a scientific calculator with 10 digits precision and algebraic logic. It has 177 functions, 82 keys, and an LCD (liquid crystal) display. The power source is 2xSR44. The calculator was manufactured in Taiwan. Note: Folding. Radio Shack EC-4025

Facts at a glance:

FeatureValue
TypeScientific
Functions177
Keys82
Precision10
LogicAlgebraic
Display typeLCD
Length145mm
Width78mm
Thickness20mm
Power Source2xSR44
CountryTaiwan
Year introduced1988
Year discontinued1989

Replacements:

If you have a Texas Instruments Collegiate that is no longer working, you can first try replacing the 2xSR44 batteries. If that doesn't solve the problem, then you can consider replacing the calculator with a modern equivalent. We suggest the following current models as possible replacements:

See other calculators by Texas Instruments