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Clearing all
objects
Moving about
the Plot view
Zooming
Plot view: buttons and keys
Geometry
If you tap
C
when no
object is selected, a list of
objects appears. Tap on the
one you want to delete, and
tap
to confirm your
intention. If you don't want to
delete an object, press
to close the list.
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
circle and D are deleted, but the defining points—the center
and radius points—remain.
To clear the app of all geometric objects, press
will be asked to confirm your intention to do so. Tap
to clear the app, or
You can pan by dragging a finger across the screen: either
up, down, left, or right. You can also use the cursor keys to
pan once the cursor is at the edge of the screen.
You can zoom using touch gestures (see page 3) or by
tapping
and choosing a zoom option. The zoom
options are the same as you find in the Plot view of many apps
in the calculator (see "Zoom" on page 78).
Button or
key
J
to keep the app as it is,
Purpose
Various scaling options. See "Zoom" on
page 78.
Tools for creating various types of points.
See "Points" on page 141
Tools for creating various types of lines. See
"Line" on page 143
Tools for creating various types of polygons.
See "Polygon" on page 145
. You
SJ
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