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Texas Instruments TI-2550-IV

The Texas Instruments TI-2550-IV is an arithmetic calculator with 8 digits precision and algebraic logic. It has 8 functions, 24 keys, and a VFD (vacuum fluorescent) display. The power source is 2xAA. The calculator was manufactured in Turkey.

Facts at a glance:

FeatureValue
TypeArithmetic
Functions8
Keys24
Precision8
LogicAlgebraic
Display typeVFD
Length147mm
Width81mm
Thickness32mm
Power Source2xAA
CountryTurkey
Year introduced1978
Year discontinued1979

Replacements:

If you have a Texas Instruments TI-2550-IV that is no longer working, you can first try replacing the 2xAA 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