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Triumph 81SN (EC63)

The Triumph 81SN is an arithmetic calculator with 8 digits precision and algebraic logic. It has 5 functions, 27 keys, and a VFD (vacuum fluorescent) display. The power source is 3xAAA. Note: Adler 81SN

Facts at a glance:

FeatureValue
TypeArithmetic
Functions5
Keys27
Precision8
LogicAlgebraic
Display typeVFD
Length135mm
Width74mm
Thickness15mm
Weight90g
Power Source3xAAA
Year introduced1978
Year discontinued1978

Replacements:

If you have a Triumph 81SN that is no longer working, you can first try replacing the 3xAAA 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