General Information; Battery Information; When To Replace The Batteries - Texas Instruments TI-83 Manual Book

Appendix B:

General Information

Battery Information

When to Replace the Batteries

The TI-83 Plus
lithium battery. The lithium battery provides auxiliary power to retain
memory while you replace the AAA batteries.
When the battery voltage level drops below a usable level, the
Displays this message when
you turn on the unit.
Message A
TI-83 Plus General Information
uses five batteries: four AAA alkaline batteries and one
Displays this message when you
attempt to download an application.
Message B
TI-83 Plus:
735