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MBO Ruler Calculator

The MBO Ruler Calculator is an arithmetic calculator with 8 digits precision and algebraic logic. It has 23 keys, and an LCD (liquid crystal) display. Note: Ruler with a calculator and a watch.

Facts at a glance:

FeatureValue
TypeArithmetic
Keys23
Precision8
LogicAlgebraic
Display typeLCD
Length50mm
Width320mm
Year introduced1985

Replacements:

If you have a MBO Ruler Calculator 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