Texas Instruments TI-89 사용자 설명서

Getting Started

 40

To turn on the Apps desktop, repeat the procedure, selecting ON in the Apps Desktop 
mode field. To return to the Apps desktop from the calculator Home screen, press

O.

Using the clock 

Using the clock 

Using the clock 

Using the clock 

Use the 

 dialog box to set the time and date, select the clock display format, and 

turn the clock off and on. 

…

D D B C

¸ ¸

 The previous open App 

appears (in this example, the 
calculator Home screen).