Operation Manual

9-2 Split Screen
8209SPLT.DOC TI-82, Chapter 9, English Bob Fedorisko Revised: 02/09/01 9:16 AM Printed: 02/09/01
12:37 PM Page 2 of 4
Getting Started: Polynomial Coefficients
Getting Started is a fast-paced introduction. Read the chapter for details.
Use the split screen capability to explore the behavior of the graph of a
polynomial as the coefficients change.
1. In
Func
MODE
, press
o
to display the
Y=
screen. Press
.1
„ 
3
(to select
3
)
¹
2
„ Ã
6
Í
to enter the polynomial
.1X
3
N
2X+6
.
2. Press
z
to enter display the
MODE
screen.
Press
† † † † † † ~ Í
to set the
screen to
Split
.
3. Press
q
6
(to select
ZStandard
). The TI
.
82
split screen is displayed. The current graph is
plotted in the standard viewing
WINDOW
(just
compressed) and displayed on the top half of
the display. The bottom half is blank.
4. Press
~
to activate the free-moving cursor.
5. Press
o
. The
Y=
editor displays on the bottom
half of the display and the cursor moves to the
Y=
editor.
6. Press
~
to move the cursor over the 1. Press
5
.
The graph does not change.
7. Press
s
to plot the new graph. This also
moves the cursor to the upper window. Press
~
to see the free-moving cursor.