Casio ClassPad II fx-CP400 Examples - Manual (Page 8)

Chapter 2: Main Application 8
0236
1. Input the calculation below and execute it.
diff(sin( x ), x ) × cos( x ) + sin( x ) × diff(cos( x ), x )
2. Drag the stylus across “diff(sin( x ), x )” to select it.
3. Tap [Interactive], [Assistant] and then [apply].
• This executes the part of the calculation you selected in step 2. The part of the calculation that is not
selected (× cos( x ) + sin( x ) × diff(cos( x ), x )) is output to the display as-is.
0237
1. Tap ! to display the Graph Editor window in the lower window.
2. Drag the stylus across “ x ^2 – 1” in the work area to select it.
3. Drag the selected expression to the Graph Editor window.
• This copies the expression to the location where you dropped it.
0238
1. Tap $ to display the Graph window in the lower window.
2. Drag the stylus across “ x ^2 – 1” in the work area to select it.
3. Drag the selected expression to the Graph window.
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