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Bowmar 90512 (Century Mark IV)

The Bowmar 90512 is an arithmetic calculator with 8 digits precision and algebraic logic. It has 4 functions, 17 keys, and an LED (light-emitting diode) display, typical of calculators of this era. The power source is 3xAA Sealed.

Facts at a glance:

FeatureValue
TypeArithmetic
Functions4
Keys17
Precision8
LogicAlgebraic
Display typeLED
Length148mm
Width78mm
Thickness33mm
Power Source3xAA Sealed
Year introduced1972
Year discontinued1974

Replacements:

If you have a Bowmar 90512 that is no longer working, you can first try replacing the 3xAA Sealed 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 Bowmar