Texas Instruments TI-89 Titanium User Manual page 480

Erasing Individual Parts of a Drawing Object
From the Graph screen:
1. 2 ‰
and select
2:Eraser
2. Move the cursor to the applicable location.
To erase:
Area under the box
Along a freehand line Press and hold
These techniques also erase parts of graphed functions.
Note:
After erasing, you are still in
• To continue erasing, move the box cursor
to another location.
To quit, press N.
•
Drawing a Line Between Two Points
From the Graph screen:
1. 2 ‰
and select
3:Line
Additional Graphing Topics
. The cursor is shown as a small box.
Do this:
¸
Press .
erase the line.
mode.
Eraser
.
¤
, and move the cursor to
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