Casio ClassPad II fx-CP400 Examples User Manual download pdf (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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Casio ClassPad II fx-CP400 Examples User Manual Page 8