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Texas Instruments TI-309 Nuance

Texas Instruments TI-309 Nuance
Image: Mark Bollman, used with permission

The Texas Instruments TI-309 Nuance is an arithmetic calculator with 8 digits precision and algebraic logic. It has 5 functions, 21 keys, and an LCD (liquid crystal) display. The power source is Solar. The calculator was manufactured in Taiwan. Note: Foldable calculator.

Facts at a glance:

FeatureValue
TypeArithmetic
Functions5
Keys21
Precision8
LogicAlgebraic
Display typeLCD
Length89mm
Width130mm
Thickness15mm
Power SourceSolar
CountryTaiwan
Year introduced1988
Year discontinued1989

Replacements:

If you have a Texas Instruments TI-309 Nuance that is no longer working, 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