Radio Shack EC-226 (MEMORY)

Radio Shack EC-226
Image: Joe Haupt, CC BY-SA 2.0
The Radio Shack EC-226 is an arithmetic calculator with 8 digits precision and algebraic logic. It has 5 functions, 23 keys, and an LED (light-emitting diode) display, typical of calculators of this era. The power source is PP3 9V.

Facts at a glance:

Feature Value
Type: Arithmetic
Functions: 5
Keys: 23
Precision: 8
Logic: Algebraic
Display type: LED
Length: 143mm
Width: 74mm
Thickness: 25mm
Power Source: PP3 9V
Year introduced: 1975

See other calculators by Radio Shack