5-3-8

Drawing a Graph

kSelecting Functions for Graphing

uTo specify the draw/non-draw status of a graph

1.On the graph relation list, use fand c to highlight the relation you do not want to graph.

2.Press 1(SEL).

• Each press of 1(SEL) toggles graphing on and off.

3.Press 6(DRAW).

Example

To select the following functions for drawing :

 

Y1 = 2x2 – 5, r2 = 5 sin3θ

 

 

Use the following V-Window settings.

 

Xmin = –5,

Xmax = 5,

Xscale = 1

 

Ymin = –5,

Ymax = 5,

Yscale = 1

 

Tθ min = 0,

Tθ max = π,

Tθ ptch = 2π / 60

cf(Select a memory area that contains a function for which you want to specify non-draw.)

1(SEL) (Specifies non-draw.)

6(DRAW) or w(Draws the graphs.)

•You can use the Setup screen settings to alter the appearance of the graph screen as shown below.

•Grid: On (Axes: On Label: Off)

This setting causes dots to appear at the grid intersects on the display.

•Axes: Off (Label: Off Grid: Off)

This setting clears the axis lines from the display.

•Label: On (Axes: On Grid: Off)

This setting displays labels for the x- and y-axes.

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