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Radio Shack EC-4000 Programmable

The Radio Shack EC-4000 Programmable is a programmable calculator with 8 digits precision and algebraic logic. It has an unknown number of functions, 40 keys and an LED (light-emitting diode) display, typical of calculators of this era. The power source is 3xAA battery pack.

Facts at a glance:

Type Programmable
Functions unknown
Keys 40
Precision 8
Logic Algebraic
Display type LED
Display size
Length 146 mm
Width 76 mm
Thickness 35 mm
Weight unknown g
Power Source 3xAA battery pack
Original price unknown
Est. current value unknown
Year introduced 1978
Year discontinued 1978

See other calculators manufactured by Radio Shack.