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Texas Instruments TI-2550

Texas Instruments TI-2550
Image: Joe Haupt, CC BY-SA 2.0

The Texas Instruments TI-2550 is an arithmetic calculator with 8 digits precision and algebraic logic. It has 5 functions, 23 keys, and an LED (light-emitting diode) display, typical of calculators of this era. The power source is 4xAA battery pack. The calculator was manufactured in Italy; USA.

Facts at a glance:

FeatureValue
TypeArithmetic
Functions5
Keys23
Precision8
LogicAlgebraic
Display typeLED
Length166mm
Width82mm
Thickness46mm
Power Source4xAA battery pack
CountryItaly; USA
Year introduced1974
Year discontinued1975

Replacements:

If you have a Texas Instruments TI-2550 that is no longer working, you can first try replacing the 4xAA battery pack 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 Texas Instruments