Casio fx9860G Manual

A SERVICE OF

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20070201

5-2-10

Controlling What Appears on a Graph Screen

Example Enlarge the graphs of the two expressions shown below ﬁ ve times on

both the x - and y -axis to see if they are tangent.

Y1 = (

x + 4)( x + 1)( x – 3), Y2 = 3 x + 22

Use the following V-Window settings.

Xmin = –8, Xmax = 8, Xscale = 1

Ymin = –30, Ymax = 30, Yscale = 5

Procedure

1 m GRAPH

!3 (V-WIN) - i w i w b w c

- da w da w f wJ

3 (TYPE)1 (Y=) ( v +e)( v +b)

( v -d) w

d v +cc w

6 (DRAW)

2 !2 (ZOOM)2 (FACT)f w f wJ

3 !2 (ZOOM)3 (IN)

4 f ~f ,d ~d w

Result Screen

# You can repeat factor zoom to enlarge or

reduce a graph even further.