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Graph Analysis Tool Graph Screen Operations

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 the manual that comes with the fx-9860G SD/fx-9860G calculator.

kUsing 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 11-10.

u 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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