20060301
GTSelOn
Syntax: GTSelOn
Ⅺ
<graph number>
Function: Selects a graph expression.
Description: Graph number range: 1 to 100
Horizontal
Syntax: Horizontal
Ⅺ
<y
-coordinate>
Function: Draws a horizontal line.
Inverse
Syntax: Inverse
Ⅺ
<
y
or
x
graph number>
Function: Graphs the inverse of a function.
Description: Graph number range: 1 to 100
Line
Syntax: Line
Ⅺ
<start point
x
-coordinate>, <start point
y
-coordinate>, <end point
x
-coordinate>, <end point
y
-coordinate>
Function: Draws a line between two specified coordinates.
Example: Line 1, –2, 2, 3
Tip
• The line is not drawn if a start point coordinate or end point coordinate is outside of the current
Graph window.
NormalLine
Syntax: NormalLine
Ⅺ
<graph number>, <
x
-coordinate>
Function: Draws a normal line.
Example: NormalLine 1, 2
Description: Draws a line normal to the graph at the specified
x
-value.
Plot
Syntax: Plot
Ⅺ
<
x
-coordinate>, <
y
-coordinate>
Function: Displays a pointer at the location specified by the coordinates and plots a point
there.
PlotChg
Syntax: PlotChg
Ⅺ
<
x
-coordinate>, <
y
-coordinate>
Function: Toggles display of the plot at the specified coordinates on and off.
12-6-18
Program Command Reference