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Radio Shack EC-4020

The Radio Shack EC-4020 is a programmable calculator with 12 digits precision and algebraic logic. It has an unknown number of functions, 44 keys and an LCD (liquid crystal) display. The power source is 2x3V cell.

Facts at a glance:

Type Programmable
Functions unknown
Keys 44
Precision 12
Logic Algebraic
Display type LCD
Display size
Length 133 mm
Width 72 mm
Thickness 10 mm
Weight unknown g
Power Source 2x3V cell
Original price unknown
Est. current value unknown
Year introduced 1985
Year discontinued 1988

See other calculators manufactured by Radio Shack.