Texas Instruments TITANIUM TI-89 User Manual page 115

Steps and keystrokes
2. Clear the
Y= Editor
data plots. Define y1(x) = .1x
A thick border around the
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
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
3
change .1x to .5x
2 a is the second function of O.
The thick border is around the
Press 2 a C ¸ A B B 0 5
¸
Previews
and turn off any stat
3
N2x+6.
Y= Editor
viewing window,
and edit
y1(x)
3
.
Y= Editor
Display
to
.
115