Calculator User Manual
Getting Started  7
Ï Edit categories.
To return to the Apps desktop at any time, press O. The last category selected 
appears with the last open App highlighted.
Turning off the calculator
Turning off the calculatorTurning off the calculator
Turning off the calculator
Press 2®. The next time you turn on the calculator, the Apps desktop appears with 
the same settings and memory contents retained. (If you turned off the Apps desktop, 
the calculator Home screen appears.)
You can use either of the following keys to turn off the TI-89 Titanium. 
Press: Description
2 ® (press 2 
and then press 
®)
Settings and memory contents are retained by 
the Constant Memory™ feature. 
• You cannot, however, use 2 ® if an error 
message is displayed.
• When you turn the TI-89 Titanium on again, it 
displays either the Home screen or the Apps 
desktop (regardless of the last application you 
used). 
¥ ® (press ¥ 
and then press 
®)
Similar to 
2 ® except:
• You can use ¥ ® if an error message is 
displayed.
• When you turn the TI-89 Titanium on again, it 
will be exactly as you left it.










