Karstadt MR40

The Karstadt MR40 is an arithmetic calculator with 8 digits precision and algebraic logic. It has 7 functions, 22 keys, and a VFD (vacuum fluorescent) display. The power source is 4xAA.

Facts at a glance:

Feature Value
Type: Arithmetic
Functions: 7
Keys: 22
Precision: 8
Logic: Algebraic
Display type: VFD
Length: 140mm
Width: 89mm
Power Source: 4xAA
Year introduced: 1975
YearDiscontinued: 1977

See other calculators by Karstadt