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Casio fx-9860G SD User Manual

Page 241

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20050401

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Example

Generate a number table from recursion between two terms as
expressed by

a

n

+

1

= 2

a

n

+1, with an initial term of

a

1

= 1, as

n

changes

in value from 1 to 6. Use the table values to draw a line graph.

Use the following V-Window settings.

Xmin = 0,

Xmax = 6,

Xscale = 1

Ymin = –15,

Ymax = 65,

Yscale = 5

Procedure

1

m RECUR

2

!3(V-WIN) awgwbwc

-bfwgfwfwJ

3

3(TYPE)2(

a

n

+

1

)c2(

a

n

)+bw

4

5(SET)2(

a

1

)bwgwbwJ

5

1(SEL+S)f2(

)J

6

6(TABL)

7

5(G

CON)

Result Screen

5-9-4

Graphing a Recursion Formula

# After drawing a graph, you can use Trace,

Zoom, and Sketch.

# After drawing a graph, you can return to the

number table screen by pressing !6(G

↔T)

or A.