Casio fxcp400 fxcp400 User Manual
Chapter 8: Geometry Application
164
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.
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.
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.
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 is available for selection.
Icon
Icon Name
This icon appears when this
is selected:
is selected:
Tapping this icon displays:
Lockable
T
Coordinates
A single point
Coordinates of the point
Yes
t
Distance/length
Two points on one figure or
two different figures, or a single
line segment or a vector
two different figures, or a single
line segment or a vector
Distance between two points,
length of a line segment or
vector
length of a line segment or
vector
Yes
Q
Slope
Single line, line segment, or
vector
vector
Slope of the line, line segment
or vector
or vector
Yes
Y
Direction
Single line, line segment, or
vector
vector
Direction angle of the line
(angle of inclination)
(angle of inclination)
Yes
O
Equation
Any single line or line segment,
vector, circle, arc, ellipse or
any other figure (parabola,
etc.) drawn by a function
vector, circle, arc, ellipse or
any other figure (parabola,
etc.) drawn by a function
Function of the figure (using
rectangular coordinates)
rectangular coordinates)
Yes
5
Equation edit
Single parabola or any other
figure drawn by a function
figure drawn by a function
Equation of the figure in the
function editing dialog box.
function editing dialog box.
No
]
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
E
Area
Any three points, an arc,
ellipse, or polygon
ellipse, or polygon
Area
No
Single circle
Area
Yes
Q
t
t
Angle
Two line segments
Angle and its supplement
formed by the line segments
formed by the line segments
Yes
K
Tangency
Two circles or arcs, or a line
and circle
and circle
Whether two items are tangent
Yes