Getting Started: Roots Of A Function - Texas Instruments TI-83 Manual Book

Getting Started: Roots of a Function

Getting Started is a fast-paced introduction. Read the chapter for details.
Evaluate the function Y = X
many sign changes occur, and at what
1. Press z † † † Í to set
graphing mode.
2. Press o. Press „ 
Then press ¹
3
function
Y =X
1
3. Press y [
TBLSET
screen. Press Ì
SETUP
. Press
TblStart=L10
Press Í to select
(automatically generated independent
values). Press † Í to select
(automatically generated
Depend: Auto
dependent values).
4. Press y [
TABLE
screen.
5. Press † until you see the sign changes in
the value of
Y
1
occur, and at what
7-2 Tables
3 N 2X at each integer between L10 and 10. How
to select
3
„ to enter the
2
N2X .
] to display the
Í to set
10
Í to set
1
Indpnt: Auto
] to display the table
. How many sign changes
values?
X
values?
X
Func
3
.
TABLE
.
@Tbl=1