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Texas Instruments TI-81

The Texas Instruments TI-81 is a programmable calculator with 10 digits precision and formula input logic. It has an unknown number of functions, 50 keys and an LCD (liquid crystal) display. The power source is 4xAAA + CR1620 3V. The calculator was manufactured in Taiwan.

Facts at a glance:

Type Programmable
Functions unknown
Keys 50
Precision 10
Logic Formula
Display type LCD
Display size 96x64
Length 174 mm
Width 81 mm
Thickness 21 mm
Weight unknown g
Power Source 4xAAA + CR1620 3V
Country Taiwan
Original price unknown
Est. current value unknown
Year introduced 1990
Year discontinued 1996

See other calculators manufactured by Texas Instruments.