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Technico 77SR

The Technico 77SR is a scientific calculator with 8 digits precision and algebraic logic. It has 26 functions, 25 keys, and an LED (light-emitting diode) display typical of calculators of this era. The power source is 3xAA.

Facts at a glance:

FeatureValue
TypeScientific
Functions26
Keys25
Precision8
LogicAlgebraic
Display typeLED
Power Consumption0.450000W
Power Source3xAA
Year introduced1977
Year discontinued1977

Replacements:

If you have a Technico 77SR 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 model as a replacement:

See other calculators by Technico