Operation Manual

7-2 Tables
8207TABL.DOC TI-82, Chapter 7, English Bob Fedorisko Revised: 02/09/01 9:12 AM Printed: 02/09/01
12:37 PM Page 2 of 6
Getting Started: Roots of a Function
Getting Started is a fast-paced introduction. Read the chapter for details.
Evaluate the function Y=X
3
N
2X at each integer between
M
10 and 10. How many
sign changes are there and where do they occur?
1. Press
y
ã
TblSet
ä
to display the
TABLE SETUP
screen. Press
Ì
10
to set
TblMin=
M
10
. Leave
@
Tbl=1
. Leave the independent and dependent
value settings on
Auto
.
2. Press
o
3
(to select
3
)
¹
2
to
enter the function
Y
1
=X
3
–2X
.
3. Press
y
ã
TABLE
ä
to display the table screen.
4. Press
until you see the sign changes in the
value of
Y
1
.