Texas Instruments TI-89, TI-92

Chapter 2: Operating the Calculator 13

02OPERDOC TI

89/TI

92Plus: O

eratingthe TI

89/TI

92Plus (English) SusanGullord Revised:02/23/01 1:06 PM Printed:02/23/01 2:11 PM Page13 of 44

Chapter 2:

Operating the Calculator

Turning the TI.89 / TI.92 Plus On and Off............................................ 14

Setting the Display Contrast................................................................... 15

The TI.89 Keyboard................................................................................. 16

The TI.92 Plus Keyboard.........................................................................17

Modifier Keys............................................................................................ 18

Entering Alphabetic Characters............................................................. 21

Home Screen.............................................................................................23

Entering Numbers.................................................................................... 25

Entering Expressions and Instructions.................................................26

Formats of Displayed Results.................................................................29

Editing an Expression in the Entry Line............................................... 32

Menus.........................................................................................................34

Using the Custom Menu.......................................................................... 37

Selecting an Application..........................................................................38

Setting Modes........................................................................................... 40

Using the Clean Up Menu to Start a New Problem..............................43

Using the Catalog Dialog Box.................................................................44

Storing and Recalling Variable Values...................................................47

Reusing a Previous Entry or the Last Answer......................................49

Auto-Pasting an Entry or Answer from the History Area................... 52

Status Line Indicators in the Display.....................................................53

Finding the Software Version and ID Number..................................... 55

This chapter gives a general overview of the TI-89 / TI-92 Plus and

describes its basic operations. By becoming familiar with the

information in this chapter, you can use the TI-89 / TI-92 Plus to

solve problems more effectively.

The Home screen is the most commonly used application on the

TI-89 / TI-92 Plus. You can use the Home screen to perform a wide

variety of mathematical operations.