Casio CFX-9850G PLUS Посібник з експлуатації - Сторінка 8

10 - 2

Graphing with the Sketch Function

u u u u u To turn plot points on and off in the RUN or PRGM Mode

The following are the syntax for turning plot points on and off in these modes.

• To turn a plot point on

• To turn a plot point off

• To change the on/off status of a plot point

k k k k k Drawing a Line

To draw a line on a graph, first display the sketch menu and then press 6 (g)

2 (LINE) to display the line menu.

u u u u u To connect two plotted points with a line in the STAT, GRAPH,

1. After drawing a graph, display the sketch menu and then press 6 (g) 1

2. Use the cursor keys to move the pointer to the local maximum and press w to

3. Use the cursor keys to move the pointer to the local minimum.

160

PlotOn <

-coordinate>, <

PlotOff <

-coordinate>, <

PlotChg <

-coordinate>, <

• {Line} ... {Draw a line between two plotted points}

• {F·Line} ... {Draw a line}

TABLE, RECUR and CONICS Modes

Example

To draw a line between the local maximun and local minimum

on the graph of

Use the same View Window parameters as in the example on page

155.

(PLOT) 1 (Plot) to display the pointer in the center of the screen.

plot it.

-coordinate>

(

+ 2)(

– 2)

[Sketch]-[LINE]

[Sketch]-[LINE]-[Line]