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TENKO ECL-81

The TENKO ECL-81 is an arithmetic calculator with 8 digits precision and algebraic logic. It has 4 functions, 18 keys, and a VFD (vacuum fluorescent) display. The power source is 3xAA.

Facts at a glance:

FeatureValue
TypeArithmetic
Functions4
Keys18
Precision8
LogicAlgebraic
Display typeVFD
Length148mm
Width86mm
Thickness33mm
Weight177g
Power Source3xAA
Year introduced1973
Year discontinued1976

Replacements:

If you have a TENKO ECL-81 that is no longer working, you can first try replacing the 3xAA 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 TENKO