Texas Instruments TI-81

Texas Instruments TI-81
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The Texas Instruments TI-81 is a programmable calculator with 10 digits precision and formula input logic. It has 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:

Feature Value
Type: Programmable
Keys: 50
Precision: 10
Logic: Formula
Display type: LCD
Display size: 96
Length: 174mm
Width: 81mm
Thickness: 21mm
Power Source: 4xAAA + CR1620 3V
Country: Taiwan
Original price: 110
Year introduced: 1990
YearDiscontinued: 1996

See other calculators by Texas Instruments