Texas Instruments PLUS TI-89 - Manual (Page 249)

232 Chapter 14: Split Screens
14SPLIT.DOC TI-89/TI-92 Plus:Split Screens (English) Susan Gullord Revised: 02/23/01 1:09 PM Printed: 02/23/01 2:16 PM Page 232 of 6
Steps
³
TI-89
Keystrokes
›
TI-92 Plus
Keystrokes Display
1. Display the MODE dialog box.
For Graph , select FUNCTION .
For Split Screen , select
LEFT-RIGHT .
For Split 1 App , select Y= Editor .
For Split 2 App , select Graph .
3
B 1
„ B 3
D B 2
D B 4 ¸ 3
B 1
„ B 3
D B 2
D B 4 ¸
2. Clear the Y= Editor and turn off
any stat data plots. Then define
y1(x) = .1x 3 –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.
ƒ 8 ¸
‡ 5
¸
. 1 X Z 3 | 2 X
« 6 ¸ ƒ 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.
„ 6 „ 6
4. Switch to the Y= Editor. Then
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.
2 a
C ¸
A B B 0
5 ¸ 2 a
C ¸
A B B 0
5 ¸
5. Switch to the Graph screen,
which regraphs the edited
function.
The thick border is around the Graph
screen.
2 a 2 a
6. Switch to the Y= Editor. Then
open the Window Editor in its
place.
2 a
¥ $ 2 a
¥ $
7. Open the Home screen. Then
exit to a full-sized Home screen.
2 K
2 K 2 K
2 K
Preview of Split Screens
Split the screen to show the Y= Editor and the Graph screen. Then explore the behavior
of a polynomial as its coefficients change.