Texas Instruments Titanium TI-89 User Manual

Operating the Calculator 174
Inserting or Overtyping a Character
Inserting or Overtyping a CharacterInserting or Overtyping a Character
Inserting or Overtyping a Character
The calculator has both an insert and an overtype mode. By default, the calculator is in
the insert mode. To toggle between the insert and overtype modes, press 2/.
Note: Look at the cursor to see if you’re in insert or overtype mode.
Replacing or Deleting Multiple Characters
Replacing or Deleting Multiple CharactersReplacing or Deleting Multiple Characters
Replacing or Deleting Multiple Characters
First, highlight the applicable characters. Then, replace or delete all the highlighted
characters.
If in: The next character you
type:
Will be inserted at the
cursor.
Will replace the highlighted
character.
Thin cursor between characters
Cursor highlights a character

Texas Instruments Titanium TI-89 Specifications

General

Display Type	LCD
Display Resolution	160 x 100 pixels
Memory	188 KB RAM, 2.7 MB Flash ROM
Type	Graphing Calculator
Display	Monochrome
Processor	Motorola 68000
Processor Speed	12 MHz
Power Source	4 AAA batteries
Connectivity	USB
Programming	TI-BASIC, Assembly
Operating System	AMS (Advanced Mathematics Software)