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MBO Akkord I ((Accord I))

The MBO Akkord I is an arithmetic calculator with 8 digits precision and algebraic logic. It has 8 functions, 24 keys, and a VFD (vacuum fluorescent) display. The power source is 2xAA.

Facts at a glance:

FeatureValue
TypeArithmetic
Functions8
Keys24
Precision8
LogicAlgebraic
Display typeVFD
Length132mm
Width81mm
Thickness19mm
Power Source2xAA
Year introduced1976

Replacements:

If you have a MBO Akkord I that is no longer working, you can first try replacing the 2xAA 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 MBO