calculator.org

the calculator home page

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:

FeatureValue
TypeGraphing
Keys50
Precision10
LogicFormula
Display typeLCD
Display size160
PrinterExternal
Length182mm
Width81mm
Thickness20mm
Weight182g
Power Source4xAAA + CR1620 3V
CountryTaiwan
Year introduced1998
Year discontinued2000

Replacements:

If you have a Texas Instruments TI-89 that is no longer working, you can first try replacing the 4xAAA + CR1620 3V 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