Radio Shack EC-4006 (LCD SCIENTIFIC)

The Radio Shack EC-4006 is a scientific calculator with 10 digits precision and algebraic logic. It has 38 keys, and an LCD (liquid crystal) display. The power source is 2xAA. Note: Casio

Facts at a glance:

FeatureValue
TypeScientific
Keys38
Precision10
LogicAlgebraic
Display typeLCD
Length150mm
Width76mm
Thickness18mm
Power Source2xAA
Year introduced1985

Replacements:

If you have a Radio Shack EC-4006 that is no longer working, you can first try replacing the 2xAA 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