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APF MARK 88

The APF MARK 88 is a scientific calculator with algebraic logic. It has 19 keys, and a VFD (vacuum fluorescent) display. The power source is 3xAAA.

Facts at a glance:

FeatureValue
TypeScientific
Keys19
LogicAlgebraic
Display typeVFD
Length127mm
Width70mm
Power Source3xAAA
Year introduced1976

Replacements:

If you have an APF MARK 88 that is no longer working, you can first try replacing the 3xAAA batteries. If that doesn't solve the problem, then you can consider replacing the calculator with a modern equivalent. We suggest the following current model as a replacement:

See other calculators by APF