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Triumph 109T (EC28A)

The Triumph 109T is a scientific calculator with 8 digits precision and algebraic logic. It has 23 functions, 37 keys, and a VFD (vacuum fluorescent) display. The power source is 4xAA. Note: Adler 109T

Facts at a glance:

FeatureValue
TypeScientific
Functions23
Keys37
Precision8
LogicAlgebraic
Display typeVFD
Length150mm
Width87mm
Thickness26mm
Power Source4xAA
Year introduced1975

Replacements:

If you have a Triumph 109T that is no longer working, you can first try replacing the 4xAA batteries. If that doesn't solve the problem, then you can consider replacing the calculator with a modern equivalent. We suggest the following current model as a replacement:

See other calculators by Triumph