Mach I (SLIDE RULETTE)

The Mach I is an arithmetic calculator with algebraic logic. It has 6 functions, 19 keys, and a VFD (vacuum fluorescent) display. The power source is 4xAA. Note: Unisonic 1212

Facts at a glance:

Feature Value
Type: Arithmetic
Functions: 6
Keys: 19
Logic: Algebraic
Display type: VFD
Length: 133mm
Width: 83mm
Power Source: 4xAA
Year introduced: 1972

See other calculators by Mach