Casio CQ-1
Image: Joe Haupt, CC BY-SA 2.0
The Casio CQ-1 is an arithmetic calculator with 8 digits precision and algebraic logic. It has 4 functions, 23 keys, and a VFD (vacuum fluorescent) display. The power source is AA+2x1.5V mercury cell batteries. The calculator was manufactured in Japan.

Facts at a glance:

Feature Value
Type: Arithmetic
Functions: 4
Keys: 23
Precision: 8
Logic: Algebraic
Display type: VFD
Length: 64mm
Width: 144mm
Thickness: 32mm
Weight: 124g
Power Consumption: 0.150W
Power Source: AA+2x1.5V mercury cell
Country: Japan
Year introduced: 1975
YearDiscontinued: 1977

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