Calcumatic 840

The Calcumatic 840 is an arithmetic calculator with algebraic logic. It has a VFD (vacuum fluorescent) display. The power source is 4xAA.

Facts at a glance:

Feature Value
Type: Arithmetic
Logic: Algebraic
Display type: VFD
Length: 159mm
Width: 83mm
Power Source: 4xAA
Year introduced: 1974

See other calculators by Calcumatic