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Radio Shack EC-4008 (LCD Scientific Calculator)

The Radio Shack EC-4008 is a scientific calculator with 8 digits precision and algebraic logic. It has 25 functions, 40 keys, and an LCD (liquid crystal) display. The power source is 2x1.5V mercury cell.

Facts at a glance:

FeatureValue
TypeScientific
Functions25
Keys40
Precision8
LogicAlgebraic
Display typeLCD
Length109mm
Width62mm
Thickness8mm
Power Source2x1.5V mercury cell
Year introduced1991

Replacements:

If you have a Radio Shack EC-4008 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