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Casio SERIES FX-9860G User Manual

Page 247

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20070201

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 plot line graph with
ordinate

Σ

a

n

, abscissa

n

.

Use the following V-Window settings.

Xmin = 0,

Xmax = 6,

Xscale = 1

Ymin = –15,

Ymax = 65,

Yscale = 5

Procedure

1 m RECUR
2 !m(SET UP)1(On)J
3 !3(V-WIN) awgwbwc

-bfwgfwfwJ

4 3(TYPE)2(

a

n

+1

)c

2(

a

n

)+b

w

5 5(SET)2(

a

1

)b

wgwbwJ

6 1(SEL+S)f2(

)

J

7 6(TABL)
8 6(G

PLT)

6( Σ

a

n

)

Result Screen

5-9-6

Graphing a Recursion Formula