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Radio Shack EC-425

The Radio Shack EC-425 is an arithmetic calculator with 8 digits precision and algebraic logic. It has 10 functions, 23 keys and an LED (light-emitting diode) display, typical of calculators of this era. The power source is 3xAA batteries.

Facts at a glance:

Type Arithmetic
Functions 10
Keys 23
Precision 8
Logic Algebraic
Display type LED
Display size
Printer
Length 160 mm
Width 79 mm
Thickness 38 mm
Weight unknown g
Power Source 3xAA
Country
Original price unknown
Est. current value unknown
Year introduced 1974
Year discontinued 1975

See other calculators manufactured by Radio Shack.