Texas Instruments TI-83 Getting Started: Roots of a Function

7-2 Tables
8307TABL.DOC TI-83 international English Bob Fedorisko Revised: 02/19/01 12:26 PM Printed: 02/19/01 1:36
PM Page 2 of 6
Getting Started is a fast-paced introduction. Read the chapter for details.
Evaluate the function Y = X3 N 2X at each integer between L10 and 10. How
many sign changes occur, and at what X values?
1. Press z † † † Í to set Func
graphing mode.
2. Press o. Press „  3 to select 3.
Then press ¹ 2 „ to enter the
function Y1=X3N2X.
3. Press y [TBLSET] to display the TABLE
SETUP screen. Press Ì 10 Í to set
TblStart=L10. Press 1 Í to set @Tbl=1.
Press Í to select Indpnt: Auto
(automatically generated independent
values). Press † Í to select
Depend: Auto (automatically generated
dependent values).
4. Press y [TABLE] to display the table
screen.
5. Press † until you see the sign changes in
the value of Y1. How many sign changes
occur, and at what X values?
Getting Started: Roots of a Function