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Bowmar 901B

The Bowmar 901B 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 6xAA. The calculator was manufactured in USA. Note: Craig 4501; Commodore C110. 16 digit precision with 8 digit display. Automatic display cut-off. First US made calculator.

Facts at a glance:

FeatureValue
TypeArithmetic
Functions5
Keys18
Precision8
LogicAlgebraic
Display typeLED
Length135mm
Width79mm
Thickness36mm
Weight340g
Power Source6xAA
CountryUSA
Year introduced1971
Year discontinued1972

Replacements:

If you have a Bowmar 901B that is no longer working, you can first try replacing the 6xAA 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