calculator.org

the calculator home page

Radio Shack EC-4002 (ALPHA-NUMERIC CALCULATOR-DIRECTORY ; statesman thin LCD)

The Radio Shack EC-4002 is an arithmetic calculator with 8 digits precision and algebraic logic. It has 30 keys, and one of the early LCD (liquid crystal) displays which incorporated a yellow filter. The power source is 3x1.5V cell. The calculator was manufactured in Japan. Note: Toshiba LC-836MN MEMO NOTE 30

Facts at a glance:

FeatureValue
TypeArithmetic
Keys30
Precision8
LogicAlgebraic
Display typeYLCD
Length137mm
Width69mm
Thickness9mm
Power Source3x1.5V cell
CountryJapan
Year introduced1978
Year discontinued1978

Replacements:

If you have a Radio Shack EC-4002 that is no longer working, you can first try replacing the 3x1.5V 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 models as possible replacements:

See other calculators by Radio Shack