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Radio Shack EC-499

The Radio Shack EC-499 is a scientific calculator with 10 digits precision and algebraic logic. It has 48 functions, 39 keys, and an LCD (liquid crystal) display. The power source is 2x1.5V mercury cell.

Facts at a glance:

FeatureValue
TypeScientific
Functions48
Keys39
Precision10
LogicAlgebraic
Display typeLCD
Length130mm
Width70mm
Thickness7mm
Power Source2x1.5V mercury cell
Year introduced1985

Replacements:

If you have a Radio Shack EC-499 that is no longer working, you can first try replacing the 2x1.5V mercury cell 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