Casio CFX-9850GC PLUS Руководство по графике - Страница 8

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Displaying a Graph in the Inactive Screen

k k k k k Other Graph Functions with Dual Graph

After drawing a graph using Dual Graph, you can use the trace, zoom, sketch and

scroll functions. Note, however, that these functions are available only for the

P.128

active (left) graph. For details on using these functions, see "8-6 Other Graphing

Functions".

The following shows some example operations using the zoom function.

Example 1

Assume that the function is already stored in memory area Y1.

Press 6 (DRAW) or w to draw the graph.

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• To perform any of the above operations on the inactive graph, first move the

inactive graph to the active screen.

• The graph screen will not scroll while a trace operation is being performed on

the active graph.

To use box zoom to enlarge the graph of

Use the following View Window parameters for the active graph.

Xmin

= –2

Xmax =

Xscale = 0.5

!2(Zoom)1(BOX)

• Use the cursor keys to move the pointer to

one of the corners of the box and then press

• Use the cursor keys to move to the opposite corner of the box and then press

w to enlarge the graph.

• The zoom operation changes the View Window parameters of the inactive

screen, so the graph in the inactive screen is cleared.

Ymin

= –2

Ymax =

Yscale =

(

+ 1) (

– 1)