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Casio fx-9750G Recursion Table and Graph User Manual

Page 13

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3. Each press of

w

draws web-like lines on the display.

w

w

This graph indicates that recursion formula

b

n

+1

= 3

b

n

+ 0.2 is divergent.

• Inputting

b

n

or

n

for the expression

a

n

+1

, or Inputting

a

n

or

n

for the expression

b

n

+1

for linear recursion between two terms causes an error.

uuuuu

To draw a recursion formula graph using Dual Screen

Selecting “T+G” for the Dual Screen item of the Set Up Screen makes it possible to
display both the graph and its numerical table of values.

Example

To draw the graph of

a

n

+1

= 2

a

n

+ 1 from Example 1, displaying

both the graph and its table

!Z
ccc1

(T+G)

(Specifies T+G for Dual Screen.)

J6

(TABL)

(Draws the graph and shows the table.)

6

(G•PLT)

(Draws plot type graph.)

• Pressing

!6

(G

T) causes the graph on the left side of the Dual Screen to

fill the entire display. Note that you cannot use the sketch function while a graph
is displayed using

!6

(G

T).

Editing Tables and Drawing Graphs

16 - 3

1

2 3 4 5 6

P.8

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