19990401
○ ○ ○ ○ ○
Example
Draw the graph
y
=
x
(
x
+ 1)(
x
– 1) in the main screen, and then use
Box Zoom to enlarge it.
Use the following V-Window settings.
(Main Screen)
Xmin = –2,
Xmax = 2,
Xscale = 0.5
Ymin = –2,
Ymax = 2,
Yscale = 1
Procedure
1
m
GRPH
•
TBL
2
u
3
(SET UP)
ccc
2
(G+G)
i
3
!
K
(V-Window)
-
c
w
c
w
a.f
w
c
-
c
w
c
w
b
w
i
4
3
(TYPE)
b
(Y=)
v
(
v
+b)(
v
-b)
w
5
(DRAW)
5
2
(ZOOM)
b
(BOX)
c
~
ce
~
e
w
f
~
fd
~
d
w
Result Screen
5-5-6
Drawing Two Graphs on the Same Screen