Casio ClassPad II fx-CP400 Examples - Manual (Page 17)

Chapter 3: Graph & Table Application 17
7. Configure the following settings on the Dynamic Graph dialog box.
Setting Description
Modify: Manual Specifies whether graph modify should be performed manually using the cursor keys
(or graph controller arrows) or automatically.
Dynamic ]': a Specifies a variable whose value is changed when you press the left or right cursor
key, or tap the left or right graph controller arrow.
Start: 1
End: 5 These items specify the upper limit (End) and lower limit (Start) of the range of
change of the Dynamic
]' value.
Step: 2 Use this setting to specify the increment of change in the Dynamic ]' value when
you press the left or right cursor key, or tap the left or right graph controller arrow.
Dynamic `$: b Specifies another variable whose value is changed when you press the up or down
cursor key, or tap the up or down graph controller arrow.
Start: –2
End: 2 These items specify the upper limit (End) and lower limit (Start) of the range of
change of the Dynamic
`$ value.
Step: 1 Use this setting to specify the increment of change in the Dynamic `$ value when
you press the up or down cursor key, or tap the up or down graph controller arrow.
8. Tap [OK].
• This displays a WARNING dialog box for overwriting variable a . Tapping [OK] displays a dialog box warning
that you are about to overwrite variable b . Tap [OK].
• This graphs the functions using the a and b variable start values you specified on the Dynamic Graph
dialog box, and displays “Modify” on the Graph window.
9. Modify the graphs by changing the value of variable a or b .
• To change the value of variable a , press the left or right cursor key, or tap the left or right graph controller
arrow.
• To change the value of variable b , press the up or down cursor key, or tap the up or down graph controller
arrow.
10. To quit graph modification, tap
l on the icon panel.
Tip: Try performing the above procedure while selecting Modify: Auto in step 7.
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