Casio CFX-9850GC PLUS Посібник з експлуатації - Сторінка 6

10 - 2

Graphing with the Sketch Function

k k k k k Plotting Points

When plotting points on a graph, first display the sketch menu and then press 6

(g) 1 (PLOT) to display the plot menu.

u u u u u To plot points in the STAT, GRAPH, TABLE, RECUR and CONICS

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

2. Use the cursor keys to move the pointer the locations of the points you want to

u u u u u To plot points in the RUN or PRGM Mode

The following is the syntax for plotting points in these modes.

158

• {Plot} ... {plot a point}

• {Pl·On} ... {plot point at specific coordinates}

• {Pl·Off} ... {delete point at specific coordinates}

• {Pl·Chg} ... {switch status of point at specific coordinates}

Modes

Example

To plot a point on the graph of

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

plot and press w to plot.

• You can plot as many points as you want.

• The current

- and

X and Y.

Plot <

-coordinate>, <

Example

To plot a point at (2, 2)

Use the following View Window parameters.

Xmin

Xmax = 5

Xscale = 1

-coordinate values are assigned respectively to variables

-coordinate>

= –5

Ymin

Ymax = 10

Yscale =

[Sketch]-[PLOT]

[Sketch]-[PLOT]-[Plot]

(

+ 2)(

– 2)

[Sketch]-[PLOT]-[Plot]

= –10