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Triumph 81CS (EC41)

The Triumph 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. Note: Adler 81CS

Facts at a glance:

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

Replacements:

If you have a Triumph 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 Triumph