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Adler 81CS (EC41)

The Adler 81CS is an arithmetic calculator with 8 digits precision and algebraic logic. It has 11 functions, 27 keys, and a VFD (vacuum fluorescent) display. The power source is 2xAA. The calculator was manufactured in Japan.

Facts at a glance:

FeatureValue
TypeArithmetic
Functions11
Keys27
Precision8
LogicAlgebraic
Display typeVFD
Length146mm
Width78mm
Thickness18mm
Weight112g
Power Source2xAA
CountryJapan
Year introduced1977
Year discontinued1977

Replacements:

If you have an Adler 81CS 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 Adler