Casio fx-9750G PLUS - Manual (Page 255)

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2. Press w and then either f or c to make the pointer appear at the pointer
start point ( b
n
Str = 0.02).
• The Y value for the pointer start point is always 0.
3. Each press of w draws web-like lines on the display.
w ↓
w ↓
This graph indicates that recursion formula b
n +1
= 3b
n
+ 0.2 is divergent.
• Inputting b
n
or n for the expression a
n +1
, or Inputting a
n
or n for the expression
b
n +1
for linear recursion between two terms causes an error.
Editing Tables and Drawing Graphs
16 - 3