Casio fx-9860G Series User Manual page 247

Example Generate a number table from recursion between two terms as
expressed by
in value from 1 to 6. Use the table values to draw a plot line graph with
ordinate Σ
Use the following V-Window settings.
Xmin = 0,
Ymin = –15,
Procedure
1 m RECUR
2 !m(SET UP)1(On)J
3 !3(V-WIN) awgwbw
-bfwgfwfwJ
a
4 3(TYPE)2(
a
5 5(SET)2(
)bwgwbwJ
1
6 1(SEL+S) 2(
7 6(TABL)
PLT)6( Σ
8 6(G
•
Result Screen
5-9-6
Graphing a Recursion Formula
a a
= 2 + 1, with an initial term of
n n
+1
a n
, abscissa .
n
Xmax = 6,
Ymax = 65,
a
)c2( )+bw
n n
+1
)J
a
)
n
20070201
Xscale = 1
Yscale = 5
a n
= 1, as changes
1