Keystone 108

The Keystone 108 is an arithmetic calculator with 8 digits precision and algebraic logic. It has 8 functions, 22 keys, and a gas discharge display. The power source is Sealed battery pack.

Facts at a glance:

Feature Value
Type: Arithmetic
Functions: 8
Keys: 22
Precision: 8
Logic: Algebraic
Display type: Discharge
Length: 133mm
Width: 81mm
Power Source: Sealed battery pack
Year introduced: 1975

See other calculators by Keystone