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Texas Instruments TI-55

Texas Instruments TI-55
Image: Joe Haupt, CC BY-SA 2.0

The Texas Instruments TI-55 is a programmable calculator with 8 digits precision and algebraic logic. It has 40 keys, and an LED (light-emitting diode) display typical of calculators of this era. The power source is Sealed battery pack. The calculator was manufactured in USA.

Facts at a glance:

FeatureValue
TypeProgrammable
Keys40
Precision8
LogicAlgebraic
Display typeLED
Length145mm
Width80mm
Thickness33mm
Power SourceSealed battery pack
CountryUSA
Year introduced1977
Year discontinued1979

Replacements:

If you have a Texas Instruments TI-55 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 Texas Instruments