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Program Command Reference

Inverse

Syntax: Inverse￿<y or x graph number>

Function: Graphs the inverse of a function.

Description: Graph number range: 1 to 100

Line

Syntax: Line￿<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￿<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￿<x-coordinate>, <y-coordinate>

Function: Displays a pointer at the location specified by the coordinates and plots a point there.

PlotChg

Syntax: PlotChg￿<x-coordinate>, <y-coordinate>

Function: Toggles display of the plot at the specified coordinates on and off.

PlotOff

Syntax: PlotOff￿<x-coordinate>, <y-coordinate>

Function: Turns off display of the plot at the specified coordinates.

PlotOn

Syntax: PlotOn￿<x-coordinate>, <y-coordinate>

Function: Turns on display of the plot at the specified coordinates.

20050501