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Qualitron QI-104

The Qualitron QI-104 is an arithmetic calculator with 6 digits precision and algebraic logic. It has 5 functions, 19 keys, and an LED (light-emitting diode) display, typical of calculators of this era.

Facts at a glance:

FeatureValue
TypeArithmetic
Functions5
Keys19
Precision6
LogicAlgebraic
Display typeLED
Year introduced1975

Replacements:

If you have a Qualitron QI-104 that is no longer working, you can consider replacing the calculator with a modern equivalent.

We suggest the following current models as possible replacements:

See other calculators by Qualitron