Casio ClassPad 330 User Manual page 528

Icon Icon Name
Two line segments
Angle
Q
t
Two circles or arcs, or a line
Tangency
K
and circle
Two line segments
Congruence
e
Point and a line, arc, circle or
Incidence
a vector
6
Point and a function, curve, or
Point on
ellipse
curve
Two points created by
Rotation
F
[Rotation]
angle
Two points (like Point A and
Scale of
2
Point A') on a figure created
dilation
by [Dilation]
An object that includes text or
Text icon
u
an object that can be named
* 1 The value in the measurement box is always locked while this tool is selected.
You can use the measurement box to determine certain measurements.
In the fi rst example below, three points are selected on the screen and the measurement box
shows the area of the triangle formed by them.
The second example shows how to view the measurements of a line segment.
u To display the area of a triangular area
You can use the measurement box to display the area of a triangle formed by any three
points you select on the display.
Example: To use the parallelogram ABCD, in which sides AD and BC are parallel, to
determine the areas of the triangles formed by side AD and point B, and side AD
and point C
(1) Draw the parallelogram.
• If you need to, select [Edit] and then [Clear All] before beginning this example.
(2) Tap u on the toolbar to display the measurement box.
8-3-8
Editing Figures
This icon appears when this
is selected:
20080201 20060301
Tapping this icon
displays:
Angle and its
supplement formed by
the line segments
Whether two items are
tangent
Whether line segments
are the same length
Whether a point is on
the line/curve
Angle of rotation
Scale of dilation
Editable text used to
name the selected image
Lockable
Yes
Yes
Yes
Yes
* 1
1
*
No