Casio CQ-81

The Casio CQ-81 is an arithmetic calculator with 8 digits precision and algebraic logic. It has 6 functions, 29 keys, and one of the early LCD (liquid crystal) displays which incorporated a yellow filter. The power source is 2xAA. The calculator was manufactured in Japan. Note: time

Facts at a glance:

Feature Value
Type: Arithmetic
Functions: 6
Keys: 29
Precision: 8
Logic: Algebraic
Display type: YLCD
Length: 130mm
Width: 70mm
Thickness: 40mm
Power Consumption: 0.019W
Power Source: 2xAA
Country: Japan
Year introduced: 1978
YearDiscontinued: 1978

See other calculators by Casio