Getting Started; Initial Start-Up - Texas Instruments TI-89 Titanium Short User Manual

Getting Started

Initial start-up

Installing the AAA Batteries
The TI-89 Titanium uses four AAA alkaline batteries and a backup silver
oxide battery (SR44SW or 303). The backup batteries are 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.
Turning on your TI-89 Titanium for the first time
After installing the batteries included with the calculator, press ´. The
Apps desktop appears.
Getting Started
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