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APF MARK 40

The APF MARK 40 is an arithmetic calculator with 8 digits precision and algebraic logic. It has 5 functions, 18 keys and an LED (light-emitting diode) display, typical of calculators of this era. The power source is PP3 9V.

Facts at a glance:

Type Arithmetic
Functions 5
Keys 18
Precision 8
Logic Algebraic
Display type LED
Display size
Printer
Length 115 mm
Width 65 mm
Thickness 33 mm
Weight 92 g
Power Source PP3 9V
Country
Original price unknown
Est. current value unknown
Year introduced 1975
Year discontinued 1975

See other calculators manufactured by APF.