Radio Shack EC-300

The Radio Shack EC-300 is an arithmetic calculator with 8 digits precision and algebraic logic. It has 7 functions, 24 keys, and an LED (light-emitting diode) display, typical of calculators of this era. The power source is 4xAA.

Facts at a glance:

Feature Value
Type: Arithmetic
Functions: 7
Keys: 24
Precision: 8
Logic: Algebraic
Display type: LED
Length: 147mm
Width: 89mm
Thickness: 43mm
Power Source: 4xAA
Year introduced: 1974
YearDiscontinued: 1974

See other calculators by Radio Shack