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MBO Derby

The MBO Derby 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.

Facts at a glance:

FeatureValue
TypeArithmetic
Functions4
Keys17
Precision8
LogicAlgebraic
Display typeLED
Year introduced1975

Replacements:

If you have a MBO Derby that is no longer working, you can consider replacing the calculator with a modern equivalent. We suggest the following current models as possible replacements:

See other calculators by MBO