CHAPTER 6. GRAPHING EQUATIONS/FUNCTIONS
6.4
Clearing Previous Functions From the Y= Screen
Go to the
Y=
screen by pressing
.
Clear any saved functions by using the up/down arrows to highlight a function and then press
to delete the function from memory. Do this for any function you no longer need.
6.5
Changing the Window Settings
Go to the
Y=
menu,
.
Example:
Save the function
y
=
x
2
−
16
for
y
1
and then graph it.
Move to
y
1
and type
.
Check the viewing window (
) and graph the function (
).
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