
and press to deselect everything. If you have selected a single object, you can tap the object and
press to deselect it.
Third, you can move a point on an object. Each point on an object has a calculation labeled with its name in
Plot view. Tap and hold this item to display a slider bar. You can drag the slider or use the cursor keys to move
it. appears as a new menu key. Tap this key to display a dialog box where you can specify the start,
step, and stop values for the slider. Also, you can create an animation based on this point using the slider. You
can set the speed and pause for the animation, as well as its type. To start or stop an animation, select it, tap
, and then select or clear the Animate option.
Coloring objects
Objects are colored black by default. The procedure to change the color of an object depends on which view
you are in. In both the Symbolic and Numeric view, each item includes a set of color icons. Tap these icons and
select a color. In Plot view, select the object, tap
(or press ), tap Choose Color, and then
select a color.
Filling objects
An object with closed contours (such as a circle or polygon) can be lled with color.
1. Select the object.
2.
Tap or press .
3. Select lled.
Filled is a toggle. To remove a ll, repeat the above procedure.
Clearing an object
To clear one object, select it and tap . Note that an object is distinct from the points you entered to
create it. Thus deleting the object does not delete the points that dene it. Those points remain in the app.
Plot view in detail 159
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