Casio PERSONAL M-1 (H-813)

Image: Joe Haupt, CC BY-SA 2.0
The Casio PERSONAL M-1 is an arithmetic calculator with 8 digits precision and algebraic logic. It has 6 functions, 21 keys, and a VFD (vacuum fluorescent) display. The power source is 2xAA. The calculator was manufactured in Japan.

Facts at a glance:

Feature Value
Type: Arithmetic
Functions: 6
Keys: 21
Precision: 8
Logic: Algebraic
Display type: VFD
Length: 124mm
Width: 75mm
Thickness: 22mm
Weight: 82g
Power Consumption: 0.200W
Power Source: 2xAA
Country: Japan
Year introduced: 1976
YearDiscontinued: 1986

See other calculators by Casio