3-6-1

Using the Sketch Menu

3-6 Using the Sketch Menu

The [Sketch] menu lets you add points, lines, figures, and text after you draw a graph. You can also add tangent and normal lines to your graph.

Sketch Menu Overview

To access the [Sketch] menu, tap [Analysis] and then [Sketch]. The following table describes the commands that are available on the [Sketch] menu.

To do this:

Select this Sketch

menu command:

 

 

 

Clear figures and text you have added using the sketch feature

Cls

Plot a point on the Graph window

Plot

Draw a line on the Graph window

Line

Write text on the Graph window

Text

Draw a line that is tangent to a particular point on a graph

Tangent

Draw a line that is normal to a particular point on a graph

Normal

Graph the inverse of a function

Inverse

Draw a circle

Circle

Draw a vertical line

Vertical

Draw a horizontal line

Horizontal

Using Sketch Menu Commands

This section describes how to use each of the commands on the [Sketch] menu. Note that all of the procedures in this section are performed in the Graph & Table application, which you can enter by tapping the Ticon on the application menu.

uTo plot a point on the Graph window

(1)While the Graph window is active, tap [Analysis], [Sketch], and then [Plot].

(2)Tap the location on the Graph window where you want to plot a point.

•Instead of tapping the Graph window, you could also use the keypad to specify the coordinates of the point. Pressing a number key displays a dialog box for inputting coordinates. The value of the key you just pressed is input for the x-coordinate. After inputting values for the x- and y-coordinates, tap [OK]

to plot the point at the location you specified.

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