The APF MARK 70 is an arithmetic calculator with algebraic logic. It has 5 functions, 23 keys, and a VFD (vacuum fluorescent) display. The power source is PP3 9V.

Facts at a glance:

Feature Value
Type: Arithmetic
Functions: 5
Keys: 23
Logic: Algebraic
Display type: VFD
Length: 127mm
Width: 76mm
Power Source: PP3 9V
Year introduced: 1974

See other calculators by APF