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Radio Shack EC-4004

The Radio Shack EC-4004 is a programmable calculator with 10 digits precision and algebraic logic. It has an unknown number of functions, 39 keys and an LCD (liquid crystal) display.

Facts at a glance:

Type Programmable
Functions unknown
Keys 39
Precision 10
Logic Algebraic
Display type LCD
Display size
Length 133 mm
Width 71 mm
Thickness 9 mm
Weight unknown g
Power Source
Original price unknown
Est. current value unknown
Year introduced 1980
Year discontinued 1988

See other calculators manufactured by Radio Shack.