Columbia Columbia-2

The Columbia Columbia-2 is an arithmetic calculator with algebraic logic. It has 4 functions, 17 keys, and an LED (light-emitting diode) display, typical of calculators of this era. The power source is Sealed battery pack.

Facts at a glance:

Feature Value
Type: Arithmetic
Functions: 4
Keys: 17
Logic: Algebraic
Display type: LED
Length: 140mm
Width: 76mm
Power Source: Sealed battery pack
Year introduced: 1974

See other calculators by Columbia