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Texas Instruments TI-80

Texas Instruments TI-80

The Texas Instruments TI-80 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 2xCR2032 3V. The calculator was manufactured in Taiwan. A sample of this calculator is held in the calculator.org collection.

Facts at a glance:

FeatureValue
TypeGraphing
Keys50
Precision10
LogicFormula
Display typeLCD
Display size64
Length162mm
Width72mm
Thickness15mm
Weight142g
Power Source2xCR2032 3V
CountryTaiwan
Year introduced1995
Year discontinued1996

Diagnostics

Note that diagnostic tests generally delete any data on the calculator. Be sure to back up any important information held in the calculator before running these tests.

Press MODE, ALPHA and S keys simultaneously. Press ENTER when prompted.

Replacements:

If you have a Texas Instruments TI-80 that is no longer working, you can first try replacing the 2xCR2032 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