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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 batteries.

Facts at a glance:

Type Arithmetic
Functions 7
Keys 22
Precision 8
Logic Algebraic
Display type VFD
Display size
Printer
Length 140 mm
Width 89 mm
Thickness unknown mm
Weight unknown g
Power Source 4xAA
Country
Original price unknown
Est. current value unknown
Year introduced 1975
Year discontinued 1977

See other calculators manufactured by Karstadt.