Using The Measurement Box; Viewing The Measurements Of A Figure - Casio fx-CP400 User Manual

8-3 Using the Measurement Box

Tapping the u button to the right of the toolbar displays the measurement box. Tap t to return to the normal
toolbar.
Normal toolbar
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
T
Coordinates
t
Distance/length
Q
Slope
Y
Direction
O
Equation
5
Equation edit
]
Radius
3
Circumference
v
Perimeter
E
Area
Q
Angle
t
K
Tangency
This icon appears when this
is selected:
A single point
Two points on one figure or
two different figures, or a single
line segment or a vector
Single line, line segment, or
vector
Single line, line segment, or
vector
Any single line or line segment,
vector, circle, arc, ellipse or
any other figure (parabola,
etc.) drawn by a function
Single parabola or any other
figure drawn by a function
Single circle or arc
Single circle
Single polygon
Any three points, an arc,
ellipse, or polygon
Single circle
Two line segments
Two circles or arcs, or a line
and circle
Measurement box
Tapping this icon displays:
Coordinates of the point
Distance between two points,
length of a line segment or
vector
Slope of the line, line segment
or vector
Direction angle of the line
(angle of inclination)
Function of the figure (using
rectangular coordinates)
Equation of the figure in the
function editing dialog box.
Radius of circle or arc
Length of the circumference
Sum of the lengths of the sides
Area
Area
Angle and its supplement
formed by the line segments
Whether two items are tangent
Chapter 8: Geometry Application
Lockable
Yes
Yes
Yes
Yes
Yes
No
Yes
Yes
No
No
Yes
Yes
Yes
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