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APF Mark VI

APF Mark VI
Image: Joe Haupt, CC BY-SA 2.0

The APF Mark VI is an arithmetic calculator with 8 digits precision and algebraic logic. It has 6 functions, 23 keys, and a VFD (vacuum fluorescent) display. The power source is 4xAA.

Facts at a glance:

FeatureValue
TypeArithmetic
Functions6
Keys23
Precision8
LogicAlgebraic
Display typeVFD
Length152mm
Width108mm
Thickness32mm
Power Source4xAA
Year introduced1973

Replacements:

If you have an APF Mark VI that is no longer working, you can first try replacing the 4xAA batteries. If that doesn't solve the problem, then you can consider replacing the calculator with a modern equivalent. We suggest the following current models as possible replacements:

See other calculators by APF