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Using the Undo/Redo command
You can cancel an operation that has just been completed by using the Undo/Redo command in the
Edit menu. Only the most recent operation can be undone.
To review additional steps in your construction, see the Replay Construction command in the Edit
menu. This command allows you to replay each step of a construction.
Deleting objects
Delete objects by selecting them, and then pressing
Edit menu.
Select multiple objects by pressing the mouse in free space and dragging a marquee rectangle
around the objects to be deleted. Only objects that are fully enclosed by the marquee rectangle will
be deleted. All selected objects are displayed in marquee outline.
Select all objects in the drawing window by using the Select All command in the Edit menu. Then
press
or select Clear from the Edit menu. You can also clear the entire drawing window by
DELETE
pressing
COMMAND+A
pressing
DELETE
WARNING! When an object is deleted, all objects that depend on that object are deleted as well. It
is possible to delete an entire construction by deleting a single point. If you accidentally delete an
object, you can recover it by using the Undo/Redo command in the Edit menu.
Example 6a: Deleting objects — Method 1
1.
Construct a circle and an inscribed triangle
(see Example 5).
2.
Select Pointer from the Pointer toolbox.
3.
Point to the center point of the circle and click.
The center point flashes.
Press the
DELETE
The point, the circle, and the triangle disappear.
Copying permitted provided TI copyright notice is included
© 1997, 1999 Texas Instruments Incorporated
(Macintosh) or
CTRL+A
.
key.
or selecting the Clear command in the
DELETE
(Windows, DOS) simultaneously, releasing, then
Chapter 1: Learning the Basics
This point
1-17
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