Casio ClassPad 330 User Manual page 531

Classpad os version 3.03

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Table of Contents

k Fixing a Measurement of a Figure

By "fixing a measurement" we mean that a constraint is placed on the figure. For example, if

we fix (constrain) a point to a circle and move the circle, the point will also move.

The following example shows how to fix the size of an angle of a triangle.

u To fix the measure of an angle of a triangle

(1) Draw the triangle.

(2) Select side AB and then select side BC.

(3) Input 90 into the measurement box, and then select the check box to the right of it.

• This fixes the measure of angle B at 90 degrees.

k Changing a Label or Adding a Name to an Element

You can change the name of a point, or add a name to each element as explained in the

following example.

u ClassPad Operation

(1) Select (highlight) a point. Tap the down arrow to the right of icon palette on

measurement box and then u .

• This displays the current name of point A in the

measurement box. The displayed name is highlighted

so it can be edited.

Editing Figures

A highlighted check box

indicates the measurement

is fixed (constrained).