Split Screens - Texas Instruments TI-89 Titanium Short User Manual

Steps and keystrokes
4. Display the Table screen.
Press 8 '
5. Scroll through the table. Notice that y1
changes sign at x = M1, 1, and 2.
To scroll one page at a time, use 2 D and
2 C.
Press D and C as necessary
Zoom in on the sign change between x = L2
6.
and x = L1 by changing the table parameters
to:
tblStart = L2
@tbl = .1
Press „ ? 2 D .1 ¸ ¸

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.
Steps and keystrokes
1. Display the
For , select
Graph
For
Split Screen
For
Split 1 App
For
Split 2 App
Press 3 B 1 „ B 3 D B 2 D B 4 ¸
2. Clear the
Y= Editor
data plots. Then 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 ¸
68
dialog box.
MODE
FUNCTION
, select
LEFT-RIGHT
, select
Y= Editor
, select
Graph
and turn off any stat
Y= Editor
.
.
.
.
3
N2x+6.
Display
Display
Previews