Texas Instruments TITANIUM TI-89 - Manual (Page 175)

Operating the Calculator 175
To highlight multiple characters:
To replace or delete the highlighted characters:
Menus Menus Menus Menus
To leave the keyboard uncluttered, the calculator uses menus to access many operations.
This section gives an overview of how to select an item from any menu. Specific menus
1. Move the cursor to either side of the
characters you want to highlight.
2. Hold ¤ and press A or B to highlight
characters left or right of the cursor.
1. Type the new characters.
2. Press 0.
Note: When you highlight characters to
replace, remember that some function
keys automatically add an open
parenthesis.
To replace sin( with
cos(, place the cursor
beside sin.
Hold
¤
and press
B B B B
.