beautypg.com

Casio fx-9860G SD User Manual

Page 267

background image

20050401

○ ○ ○ ○ ○

Example

Graph the two functions shown below, and determine the point of
intersection between Y1 and Y2.
Y1 =

x

+ 1, Y2 =

x

2

Use the following V-Window settings.

Xmin = –5,

Xmax = 5,

Xscale = 1

Ymin = –5,

Ymax = 5,

Yscale = 1

Procedure

1

m GRAPH

!3(V-WIN) -fwfwbwc

-fwfwbwJ

3(TYPE)1(Y=)v+bw

vxw

6(DRAW)

2

!5(G-SLV)5(ISCT)

6 e

Result Screen

5-11-12

Function Analysis

# In the case of two graphs, the point of

intersection is calculated immediately after
you press !55 in step 2.

# You can calculate the point of intersection for

rectangular coordinate graphs and inequality
graphs only.