Casio FXCP400 8-3Using the Measurement Box, Icon, Lockable, Icon Name, is selected:, This icon appears when this, Tapping this icon displays:

8-3 Using the Measurement Box

Tapping the ubutton to the right of the toolbar displays the measurement box. Tap tto return to the normal toolbar.

Normal toolbar

Measurement box

You can use the measurement box to view the measurements of a figure, to specify a measurement of a figure, to fix a measurement of a figure, or to name a figure.

Viewing the Measurements of a Figure

The type of information that can be displayed in the measurement box depends on the figure currently selected on the screen. The nearby screen shows

an example when a line segment is selected. You can change the display information type by tapping one of the icons.

The following table describes the information that appears when you tap each icon, and explains when each icon is available for selection.

Icon	Icon Name	This icon appears when this	Tapping this icon displays:	Lockable
Icon	Icon Name	is selected:	Tapping this icon displays:	Lockable
		is selected:

T	Coordinates	A single point	Coordinates of the point	Yes

Two points on one figure or

t Distance/length two different figures, or a single line segment or a vector

Distance between two points,

length of a line segment orYes vector

Q	Slope	Single line, line segment, or	Slope of the line, line segment	Yes
Q	Slope	vector	or vector	Yes
		vector	or vector

Y	Direction	Single line, line segment, or	Direction angle of the line	Yes
Y	Direction	vector	(angle of inclination)	Yes
		vector	(angle of inclination)

Any single line or line segment, vector, circle, arc, ellipse or

Function of the figure (using

O Equation

any other figure (parabola, etc.) drawn by a function

rectangular coordinates)

Yes

5	Equation edit	Single parabola or any other	Equation of the figure in the	No
5	Equation edit	figure drawn by a function	function editing dialog box.	No
		figure drawn by a function	function editing dialog box.

]	Radius	Single circle or arc	Radius of circle or arc	Yes

3	Circumference	Single circle	Length of the circumference	Yes

v	Perimeter	Single polygon	Sum of the lengths of the sides	No

		Any three points, an arc,	Area	No
E	Area	ellipse, or polygon	Area	No
E	Area	ellipse, or polygon
		Single circle	Area	Yes

Q	Angle	Two line segments	Angle and its supplement	Yes
t	Angle	Two line segments	formed by the line segments	Yes
t			formed by the line segments

K	Tangency	Two circles or arcs, or a line	Whether two items are tangent	Yes
K	Tangency	and circle	Whether two items are tangent	Yes
		and circle

Chapter 8: Geometry Application

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