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Casio ClassPad II fx-CP400 Examples User Manual

Page 21

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Chapter 5: Differential Equation Graph Application

  21

0506

1. On the Differential Equation Editor

window, tap the [Graphs] tab.

2. Tap [Type] - [

f

(

x

)] or d, and then input

y

=

x

2

and

y

= −

x

2

.

3. Tap

O.

• This will overlay the graphs of

y

=

x

2

and

y

= −

x

2

on the differential equation

graph.

Œ

0507

1. On the Differential Equation Editor window, tap the [Graphs] tab.

2. Confirm that “Rad” is displayed as the angle unit setting on the left side of

the status bar. If it isn’t, tap the angle setting until “Rad” is displayed.

3. Tap [Type] - [Parametric] or g, and then input the expression for the graph

xt

= 3sin(

t

) + 1 and

yt

= 3cos(

t

) + 1, and 0

s

t

s 2π for the range of

t

.

4. Tap

O to draw the graph.

• To adjust the graph window, tap [Zoom] and then [Quick Initialize].

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