Texas Instruments TI-89 Titanium User Manual

Operating the Calculator 162
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
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 TI-89 Titanium Specifications

General

Display Type	LCD
Display Resolution	160 x 100 pixels
CPU	Motorola 68000
CPU Speed	16 MHz
RAM	256 KB
Flash ROM	2.7 MB
Programming Language	TI-BASIC, Assembly
Power Source	4 AAA batteries
Connectivity	I/O port
Dimensions	7.5 x 3.5 x 1 inches