Casio FX-CG20 AU User Manual page 499

The following table describes the information that appears when you highlight each icon, and
explains when each icon is available for selection.
Icon Icon Name
Coordinates
Distance/
length
Slope
Equation
Expression
Vector
Radius
Circumference
Perimeter
Area
1
Angle*
Supplementary
Angle* 1
Tangency
* 1 The angle and supplementary angle is always displayed as degrees.
2
* When two vectors are selected, the angle that is no the angle formed mathematically by the
two vectors. It merely indicates the simple angle that would be formed if the vectors were
two lines.
3
* The circle itself can be locked.
This icon appears
when this is selected:
A single point
Two points on one object
or two different objects,
or a single line segment
or a vector
Single line, ray, line
segment, or vector
Any single line or line
segment, ray, circle,
semi circle, arc or
function graph
A single expression
("EXPR=" object)
A single vector
A single circle, semi
circle or arc
A single circle, semi
circle or arc
A single polygon
Any three points, a
single circle, semi circle,
arc, or polygon
Two lines, line segments,
rays, or vectors* 2 in any
combination
Two circles or arcs, line
and circle, or a line and
arc
14-42
Highlighting this icon
displays:
Coordinates of the point
Distance between two
points, length of a line
segment or vector
Slope of the line, ray,
line segment or vector
Function of the object
(using rectangular
coordinates)
Calculation formula
Vector components
Radius of circle, semi
circle or arc
Length of the
circumference
Sum of the lengths of the
sides
Area
Angle and its
supplement formed by
the two objects
Whether the two items
are tangent
Lockable
Yes
Yes
Yes
No
No
Yes
Yes
No* 3
No
3
No*
Yes
Yes