Casio GRAPH90+ E Manuel d'utilisateur télécharger pdf (Page 651)

100

101

ε-41

Graph Analysis Tool Graph Screen Operations

3. Move the trace pointer to the end point of the range whose periodic frequency you want

to obtain.

• This causes the period and periodic frequency value

at the start point you selected in step 2 to appear

along the bottom of the screen.

4. Press w to assign the period and periodic frequency values to Alpha memory variables.

• This displays a dialog box for specifying variable

names for [Period] and [Frequency] values.

• The initial default variable name settings are “S” for

the period and “H” for the periodic frequency. To

change to another variable name, use the up and

down cursor keys to move the highlighting to the item

you want to change, and then press the applicable

letter key.

5. After everything is the way you want, press w.

• This stores the values and exits the trace operation.

• For details about using Alpha memory, see Chapter 2 of this manual.

k Using Zoom

Zoom lets you enlarge or reduce the size of the graph along the x-axis or the y-axis.

Note

• When there are multiple graphs on the screen, the procedure below zooms all of them.

For information about zooming a particular graph when there are multiple graphs on the

screen, see “Working with Multiple Graphs” on page

ε-46.

• To zoom the graph screen

1. On the graph screen, press !2(ZOOM).

• This causes a magnifying glass cursor (

) to appear

in the center of the screen.

2. Use the cursor keys to move the magnifying glass cursor to the location on the screen

that you want at the center of the enlarged or reduced screen.

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Casio GRAPH90+ E Manuel d'utilisateur Page 651

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