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Chapter 2: Operating the Calculator 13
02OPER DOC TI
-
89/TI
-
92 Plus: O
p
erating the TI
-
89/TI
-
92 Plus (English) SusanGullord Revised:02/23/01 1:06 PM Printed: 02/23/01 2:11 PM Page 13 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.
2