Casio CFX-9850G PLUS Graph Guide

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2. Press w, and the pointer appears at the pointer start point (
anStr = 0.01).
• 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 an+1 = –3an
2
+ 3an is convergent.
Example 2 To determine whether or not the recursion formula bn+1 =
3bn + 0.2 is convergent or divergent.
Use the following table range.
Start = 0 End = 6
b0 =0.02 bn Str = 0.02
Use the View Window parameters from Example 1.
1. Press 6 (TABL) 4 (WEB) to draw the graph.
16 - 3 Editing Tables and Drawing Graphs

Casio CFX-9850G PLUS Specifications

General

Display Type	LCD
Display Size	128 x 64 pixels
Graphing Capability	Yes
Programming	Yes, BASIC-like language
Memory	32 KB
Power Source	4 AAA batteries