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Radio Shack EC-250

The Radio Shack EC-250 is an arithmetic calculator with algebraic logic. It has 5 functions, 18 keys, and an LED (light-emitting diode) display typical of calculators of this era. The power source is 3xAA. Note: Bowmar MX-55

Facts at a glance:

FeatureValue
TypeArithmetic
Functions5
Keys18
LogicAlgebraic
Display typeLED
Length152mm
Width79mm
Thickness33mm
Power Source3xAA
Year introduced1974

Replacements:

If you have a Radio Shack EC-250 that is no longer working, you can first try replacing the 3xAA 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 Radio Shack