Using Menus - Texas Instruments TI-89 Titanium Short User Manual

Press
¸
Scroll down to the Clock field.
B C ¸
¸
To turn on the clock, repeat the procedure, selecting ON in the Clock
field. Remember to reset the time and date.

Using menus

To select most TI-89 Titanium menus, press the function keys
corresponding to the toolbars at the top of the calculator Home screen
and most App screens. Select other menus using key commands.
Toolbar menus
The starting point for TI-89 Titanium math operations, the calculator
Home screen displays toolbar menus that let you choose math-related
options.
Toolbar menus also appear at the top of most App screens. These menus
list common functions of the active App.
Getting Started
Result
Clock off
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