APF MARK 28

The APF MARK 28 is an arithmetic calculator with algebraic logic. It has a VFD (vacuum fluorescent) display. The power source is PP3 9V.

Facts at a glance:

Feature Value
Type: Arithmetic
Logic: Algebraic
Display type: VFD
Length: 114mm
Width: 64mm
Power Source: PP3 9V
Year introduced: 1973

See other calculators by APF