Chapter 2: Operating The Calculator - Texas Instruments TI-89 Manual Book

Chapter 2:
Operating the Calculator
2
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
describes its basic operations. By becoming familiar with the
information in this chapter, you can use the
solve problems more effectively.
The Home screen is the most commonly used application on the
. You can use the Home screen to perform a wide
TI-89 / TI-92 Plus
variety of mathematical operations.
TI-89 / TI-92 Plus
TI-89 / TI-92 Plus

Chapter 2: Operating the Calculator

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