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Radio Shack EC-281

The Radio Shack EC-281 is a scientific calculator with 8 digits precision and algebraic logic. It has 25 functions, 41 keys, and a VFD (vacuum fluorescent) display. The power source is 4xAA.

Facts at a glance:

FeatureValue
TypeScientific
Functions25
Keys41
Precision8
LogicAlgebraic
Display typeVFD
Length152mm
Width83mm
Power Source4xAA
Year introduced1978

Replacements:

If you have a Radio Shack EC-281 that is no longer working, you can first try replacing the 4xAA batteries. If that doesn't solve the problem, then you can consider replacing the calculator with a modern equivalent. We suggest the following current model as a replacement:

See other calculators by Radio Shack