calculator.org

the calculator home page

APF MARK 34

APF MARK 34
Image: Joe Haupt, CC BY-SA 2.0

The APF MARK 34 is an arithmetic calculator with 8 digits precision and algebraic logic. It has 11 functions, 29 keys, and a VFD (vacuum fluorescent) display. The power source is PP3 9V.

Facts at a glance:

FeatureValue
TypeArithmetic
Functions11
Keys29
Precision8
LogicAlgebraic
Display typeVFD
Length140mm
Width70mm
Power SourcePP3 9V
Year introduced1978

Replacements:

If you have an APF MARK 34 that is no longer working, you can first try replacing the PP3 9V battery. 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