Casio fx-9860G Series User Manual page 193

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 = (
Use the following V-Window settings.
Xmin = –8,
Ymin = –30, Ymax = 30,
Procedure
1 m GRAPH
!3(V-WIN) -iwiwbw
-dawdawfwJ
3(TYPE)1(Y=)(v+e)(v+b)
6(DRAW)
2 !2(ZOOM)2(FACT)fwfwJ
3 !2(ZOOM)3(IN)
4
~ , ~
Result Screen
# You can repeat factor zoom to enlarge or
reduce a graph even further.
5-2-10
x x x
+ 4)( + 1)( – 3), Y2 = 3
Xmax = 8,
(v-d)w
dv+ccw
w
20070201
x
+ 22
Xscale = 1
Yscale = 5