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Texas Instruments TI-1400

Texas Instruments TI-1400
Image: Mark Bollman, used with permission

The Texas Instruments TI-1400 is an arithmetic calculator with 8 digits precision and algebraic logic. It has 6 functions, 20 keys, and an LED (light-emitting diode) display typical of calculators of this era. The power source is PP3 9V. The calculator was manufactured in USA.

Facts at a glance:

FeatureValue
TypeArithmetic
Functions6
Keys20
Precision8
LogicAlgebraic
Display typeLED
Length139mm
Width72mm
Thickness34mm
Power SourcePP3 9V
CountryUSA
Year introduced1976
Year discontinued1977

Replacements:

If you have a Texas Instruments TI-1400 that is no longer working, you can first try replacing the PP3 9V battery. 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