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Texas Instruments TI-66 (PROGRAMMABLE)

Texas Instruments TI-66
Image: Mark Bollman, used with permission

The Texas Instruments TI-66 is a programmable calculator with 7 digits precision and algebraic logic. It has 49 keys, and an LCD (liquid crystal) display. The power source is 2xLR44. The calculator was manufactured in Japan.

Facts at a glance:

FeatureValue
TypeProgrammable
Keys49
Precision7
LogicAlgebraic
Display typeLCD
PrinterExternal
Length87mm
Width145mm
Thickness14mm
Power Source2xLR44
CountryJapan
Year introduced1983
Year discontinued1988

Replacements:

If you have a Texas Instruments TI-66 that is no longer working, you can first try replacing the 2xLR44 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