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Radio Shack EC-220

The Radio Shack EC-220 is an arithmetic calculator with 8 digits precision and algebraic logic. It has 5 functions, 18 keys and an LED (light-emitting diode) display, typical of calculators of this era. The power source is PP3 9V.

Facts at a glance:

Type Arithmetic
Functions 5
Keys 18
Precision 8
Logic Algebraic
Display type LED
Display size
Printer
Length 148 mm
Width 70 mm
Thickness 20 mm
Weight 130 g
Power Source PP3 9V
Country
Original price unknown
Est. current value unknown
Year introduced 1975
Year discontinued 1976

See other calculators manufactured by Radio Shack.