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Braun ET90 (4769 ; protocol)

The Braun ET90 is an arithmetic calculator with 10 digits precision and algebraic logic. It has 13 functions, 30 keys, and an LCD (liquid crystal) display. The power source is 3V cell. Note: Paperless Printer.Stores 99 calculation steps in non-volatile memory.

Facts at a glance:

FeatureValue
TypeArithmetic
Functions13
Keys30
Precision10
LogicAlgebraic
Display typeLCD
Length139mm
Width76mm
Thickness11mm
Power Source3V cell
Year introduced1995
Year discontinued1995

Replacements:

If you have a Braun ET90 that is no longer working, you can first try replacing the 3V cell battery. 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 Braun