Texas Instruments TI-89, TI-92

Chapter 2: Operating the Calculator 33

02OPERDOC TI

89/TI

92Plus: O

eratingthe TI

89/TI

92Plus (English) SusanGullord Revised:02/23/01 1:06 PM Printed:02/23/01 2:11 PM Page33 of 44

The TI-89 / TI-92 Plus has both an insert and an overtype mode. By

default, the TI-89 / TI-92 Plus is in the insert mode. To toggle between

the insert and overtype modes, press 2/

If the TI.89 / TI.92 Plus is in: The next character you type:

Will be inserted at the cursor.

Will replace the highlighted

character.

First, highlight the applicable characters. Then, replace or delete all

the highlighted characters.

To: Do this:

Highlight multiple

characters

1. Move the cursor to either side of the

characters you want to highlight.

2. Hold ¤and press Aor Bto highlight

characters left or right of the cursor.

Replace the

highlighted

characters

— or —

Type the new characters.

Delete the

highlighted

characters

Press 0.

Inserting or

Overtyping a

Character

Tip: Look at the cursor to

see if you’re in insert or

overtype mode.

Replacing or

Deleting Multiple

Characters

Tip: When you highlight

characters to replace,

remember that some

function keys automatically

add an open parenthesis.

Thin cursor between

characters

Cursor highlights

a character

To replace sin( with cos(, place

the cursor beside sin.

Hold ¤ and press B B B B.