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Texas Instruments TI-1105N

Texas Instruments TI-1105N
Image: Datamath.org used with permission

The Texas Instruments TI-1105N is an arithmetic calculator with 8 digits precision and algebraic logic. It has 6 functions, 23 keys, and an LCD (liquid crystal) display. The power source is LR189. The calculator was manufactured in China.

Facts at a glance:

FeatureValue
TypeArithmetic
Functions6
Keys23
Precision8
LogicAlgebraic
Display typeLCD
Length113mm
Width65mm
Thickness10mm
Power SourceLR189
CountryChina
Year introduced1991
Year discontinued1991

Replacements:

If you have a Texas Instruments TI-1105N that is no longer working, you can first try replacing the LR189 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