Casio ClassPad II fx-CP400 Examples User Manual download pdf (Page 25)

Chapter 6: Sequence Application 25

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1. On the Sequence Editor window, tap the [Recursive] tab.

2. Tap [Type] - [

Type a

3. Input the recursion expression

= 2a

+ 1 and the initial values a

= 1.

4. Tap the down arrow button next to #, and then select + to create the table.

5. Tap 6, configure View Window settings as shown below, and then tap [OK].

xmin = 0 xmax = 6 xscale = 1 xdot: (Specify auto setting.)

ymin = –15 ymax = 65 yscale = 5 ydot: (Specify auto setting.)

6. Tap $ to draw a connect type graph, or tap

! to draw a plot type graph.

In this example, “4 Cells” is selected for the

[Cell Width Pattern] setting of the Graph

Format dialog box (page 37 in the User’s

Guide).

Connect type graph Plot type graph

0605

1. On the Sequence Editor window, tap the [Recursive] tab.

2. Tap [Type] - [a

Type a

3. Input the recursion expression







− 1 and the initial values a

= 0.5.

4. Tap the Table window to make it active.

5. Tap 6, configure View Window settings as shown below, and then tap [OK].

xmin = −1.2 xmax = 1 xscale = 0.2

ymin = −1 ymax = 0.1 yscale = 0.2

6. Tap w to start drawing a cobweb diagram.

7. Press E for each step of the web.

On the cobweb graph window, you can restart drawing of the cobweb diagram by selecting [Trace] on the

[Analysis] menu.

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Casio ClassPad II fx-CP400 Examples User Manual Page 25