Key Curriculum Press TI-82 Calculator Notes

Calculator Notes for the TI-82
CHAPTER 3
Note 3A • Tables
Once you have entered an equation into the
values based on that equation.
Step 1: Enter the equation(s) into the
Step 2: Press
2nd [TblSet]
a. is the first x-coordinate you want to see in the table.
TblMin
∆Tbl
b. is the amount of increase or decrease between the x-coordinates in
the table.
c. Select for both
Auto
table where you enter x-coordinates one at a time.) Usually you will
leave both of these settings on
Step 3: Press
2nd [TABLE]
a. You can scroll up and down the x-coordinates to search for a particular
y-coordinate.
b. You can arrow over to the y-column to see the number more accurately
displayed (if necessary) at the bottom of the screen.
c. You can arrow up and highlight the
displayed at the bottom of the screen.
d. If you press
ENTER
the equation and see the changes in the table. This action will also
change the equation in the
Table Zooming
When you are searching for a particular y-coordinate that does not appear to
be in the table, you can use a technique called "table zooming." Let's suppose
©2002 Key Curriculum Press
screen, you can create a table of
Y
screen. (See Note 1H.)
Y
.
and . (Use
Indpnt Depend
.
Auto
.
header to see the equation
Y
1
while you are looking at the function, you can edit
screen.
Y
for to build a
Ask Indpnt
Discovering Algebra Calculator Notes for the Texas Instruments TI-82
(continued)
31