CHAPTER 7. USING THE TABLE
To enter in a function to use in the table, type the function in the command line.
Example:
Enter
y
=
x
+ 2
for
y
1
.
Use the arrows to move the cursor next to
y
1
and then type
in to the command
line. Press
to save that information for
y
1
.
Example:
Enter
y
=
x
2
−
9
for
y
2
.
Using the arrows to move the cursor next to
y
2
and then type
in
the command line. That information is now saved for
y
2
.
If you look at both
y
1
and
y
2
, you will see a check mark next to each. This indicates that
y
1
and
y
2
will both be included in the table. It is possible to have functions saved but not used in
the table. The way to do this is to uncheck the function. Look at the
menu at the top of
the screen. This option will check or uncheck an function. You must first highlight a function by
scrolling up or down, and then press
.
Make sure both functions you entered have checks and contnue to the next step.
37