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Bowmar MX55 (Century Mark IV)

Bowmar MX55
Image: Joe Haupt, CC BY-SA 2.0

The Bowmar MX55 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 3xAAA sealed. The calculator was manufactured in Mexico.

Facts at a glance:

FeatureValue
TypeArithmetic
Functions5
Keys18
Precision8
LogicAlgebraic
Display typeLED
Length146mm
Width75mm
Thickness34mm
Power Source3xAAA sealed
CountryMexico
Year introduced1974
Year discontinued1974

Replacements:

If you have a Bowmar MX55 that is no longer working, you can first try replacing the 3xAAA 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