Texas Instruments TI-89 Voyage 200, User Manual

Page: 115 / 1008

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2. Clear the
Y= Editor
and turn off any stat
data plots. Define y1(x) = .1x
3
N
2x+6.
A thick border around the
Y= Editor
indicates it is active. When active, its
entry line goes all the way across the
display.
Press
,
8
¸ ‡
5
¸
.1 X
Z
3
|
2 X
«
6
¸
3. Select the
ZoomStd
viewing window,
which switches to the Graph screen and
graphs the function.
The thick border is now around the Graph
screen.
Press
„
6
4. Switch to the
Y= Editor
and edit
y1(x)
to
change .1x
3
to .5x
3
.
2 a
is the second function of
O
.
The thick border is around the
Y= Editor
.
Press
2 a C ¸ A B B 0
5
¸
Steps and keystrokes Display