Casio Algebra FX 2.0 User Manual page 219

Example To draw the WEB graph for the recursion formula
b
= 3
n +
1
following table range and V-Window Settings.
Table Range
Start = 0, End = 6,
V-Window Settings
Xmin = 0,
Ymin = 0,
Procedure
1 m RECUR
2 !K(V-Window) awbwbwc
a
3 3(TYPE)c(
b
)+a.cw
d3(
n
a
4 5(RANG)1(
awgwa.abwa.bbwc
a.abwa.bbwi
5 6(TABL)
6 4(WEB)
7 1(TRACE)w~w(
b
is divergence)
cw~w(
n
Result Screen
5-9-8
Graphing a Recursion Formula
b
+ 0.2, and check for divergence or convergence. Use the
n
a
= 0.01,
0
Xmax = 1,
Ymax = 1,
awbwbwi
a
=)-d2( )x+d2(
n+ 1 n
)
0
a
is convergence)
n
19990401
a b
Str = 0.01, = 0.11,
n
0
Xscale = 1
Yscale = 1
a
)w
n
a a a
= –3( ) + 3 ,
2
n +
1 n n
b
Str = 0.11
n