Texas Instruments TI-89

Texas Instruments TI-89
Image: Mark Bollman, used with permission
The Texas Instruments TI-89 is a graphing 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: Graphing
Keys: 50
Precision: 10
Logic: Formula
Display type: LCD
Display size: 160
Printer: External
Length: 182mm
Width: 81mm
Thickness: 20mm
Weight: 182g
Power Source: 4xAAA + CR1620 3V
Country: Taiwan
Year introduced: 1998
YearDiscontinued: 2000

See other calculators by Texas Instruments