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Radio Shack EC-4009

The Radio Shack EC-4009 is a scientific calculator with 8 digits precision and algebraic logic. It has 43 functions, 38 keys, and an LCD (liquid crystal) display. Note: Casio fx-98

Facts at a glance:

FeatureValue
TypeScientific
Functions43
Keys38
Precision8
LogicAlgebraic
Display typeLCD
Length59mm
Width90mm
Thickness6mm
Year introduced1984
Year discontinued1988

Replacements:

If you have a Radio Shack EC-4009 that is no longer working, 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