Texas Instruments TITANIUM TI-89 - Manual (Page 4)

Getting Started 4
Getting Started Getting Started Getting Started Getting Started
Initial start-up Initial start-up Initial start-up Initial start-up
Installing the AAA Batteries Installing the AAA Batteries Installing the AAA Batteries Installing the AAA Batteries
The TI-89 Titanium uses four AAA alkaline batteries and a backup silver oxide battery
(SR44SW or 303). The backup battery is already installed, and the AAA batteries are
provided with the product.
1. Remove the battery cover from the back of the calculator.
2. Unwrap the four AAA batteries provided with your product and insert them in the
battery compartment. Arrange the batteries according to the polarity (+ and -)
diagram in the battery compartment.
3. Replace the battery cover on the calculator. The cover should snap into place.