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

Icon

Icon NameThis icon appearsHighlighting this iconLockable
when this is selected:displays:

 

 

 

 

 

 

 

 

 

Coordinates

A single point

Coordinates of the point

Yes

 

 

 

 

 

 

 

Two points on one object

Distance between two

 

 

Distance/

or two different objects,

 

 

points, length of a line

Yes

 

length

or a single line segment

 

segment or vector

 

 

 

or a vector

 

 

 

 

 

 

 

 

 

 

 

Slope

Single line, ray, line

Slope of the line, ray,

Yes

 

segment, or vector

line segment or vector

 

 

 

 

 

 

 

 

 

 

Any single line or line

Function of the object

 

 

 

segment, ray, circle,

 

 

Equation

(using rectangular

No

 

semi circle, arc or

 

 

coordinates)

 

 

 

function graph

 

 

 

 

 

 

 

 

 

 

 

Expression

A single expression

Calculation formula

No

 

(“EXPR=” object)

 

 

 

 

 

 

 

 

 

 

Vector

A single vector

Vector components

Yes

 

 

 

 

 

 

Radius

A single circle, semi

Radius of circle, semi

Yes

 

circle or arc

circle or arc

 

 

 

 

 

 

 

 

 

Circumference

A single circle, semi

Length of the

No*3

 

circle or arc

circumference

 

 

 

 

 

 

 

 

 

Perimeter

A single polygon

Sum of the lengths of the

No

 

sides

 

 

 

 

 

 

 

 

 

 

 

Any three points, a

 

 

 

Area

single circle, semi circle,

Area

No*3

 

 

arc, or polygon

 

 

 

 

 

 

 

 

Angle*1

Two lines, line segments,

Angle and its

 

 

 

 

 

 

rays, or vectors*2 in any

supplement formed by

Yes

 

Supplementary

 

combination

the two objects

 

 

Angle*1

 

 

 

 

 

 

 

Two circles or arcs, line

Whether the two items

 

 

Tangency

and circle, or a line and

Yes

 

are tangent

 

 

arc

 

 

 

 

 

 

 

 

 

 

*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.

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