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Texas Instruments TI-78

The Texas Instruments TI-78 is a programmable calculator with 10 digits precision and formula input logic. It has 39 keys, and an LCD (liquid crystal) display. The power source is Sealed battery pack + 1xCR2025 3V. The calculator was manufactured in Japan.

Facts at a glance:

FeatureValue
TypeProgrammable
Keys39
Precision10
LogicFormula
Display typeLCD
Display size120
PrinterExternal
Length142mm
Width79mm
Thickness23mm
Power SourceSealed battery pack + 1xCR2025 3V
CountryJapan
Year introduced1989
Year discontinued1990

Replacements:

If you have a Texas Instruments TI-78 that is no longer working, you can first try replacing the Sealed battery pack + 1xCR2025 3V 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