HP Prime Graphing Wireless Calculator - Manual (Page 18)

14 Geometry
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 Z), tap Choose
Color, and then select a color.
Filling objects An object with closed contours (such as a circle or polygon)
can be filled with color.
1. Select the object.
2. Tap
or press Z.
3. Select Filled.
Filled is a toggle. To remove
a fill, repeat the above
procedure.
Clearing an
object
To clear one object, select it and tap C . Note that an object
is distinct from the points you entered to create it. Thus
deleting the object does not delete the points that define it.
Those points remain in the app. For example, if you select a
circle and press
C , the circle is deleted but the center point
and radius point remain.
If other objects are
dependent on the one you
have selected for deletion, a
pop-up displays the selected
object and all dependent
objects checked for deletion.
Confirm your intention by
tapping .
You can select multiple items for deletion. Either select them
one at a time or use a selection box, and then press C.
Note that points you add to an object once the object has
been defined are cleared when you clear the object. Thus if
you place a point (say D) on a circle and delete the circle, the