Casio CFX-9850G PLUS Graph Manual page 10

16 - 3
Editing Tables and Drawing Graphs
2. Press w, and the pointer appears at the pointer start point (
3. Each press of w draws web-like lines on the display.
This graph indicates that recursion formula
Example 2
1. Press 6 (TABL) 4 (WEB) to draw the graph.
226
• The Y value for the pointer start point is always 0.
To determine whether or not the recursion formula
b
3 + 0.2 is convergent or divergent.
n
Use the following table range.
Start = 0
b
= 0.02
0
Use the View Window parameters from Example 1.
a a
= –3
n
+1
End = 6
b
Str = 0.02
n
a
Str = 0.01).
n
w
↓
w
↓
2 a
+ 3 is convergent.
n n
b
=
n
+1