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TI-83 Plus Function Graphing 112
•
You may use functions and variables (including matrices and lists)
in the expression. When the expression evaluates to a nonreal
number, the value is not plotted; no error is returned.
•
The independent variable in the function is
X
.
Func
mode defines
„
as
X
. To enter
X
, press
„
or press
ƒ
[
X
].
•
When you enter the first character, the
=
is highlighted, indicating
that the function is selected.
As you enter the expression, it is stored to the variable
Y
n
as a user-
defined function in the
Y=
editor.
4. Press
Í
or
†
to move the cursor to the next function.
Defining a Function from the Home Screen or a Program
To define a function from the home screen or a program, begin on a
blank line and follow these steps.
1. Press
ƒ
[
ã
], enter the expression, and then press
ƒ
[
ã
]
again.
2. Press
¿
.
3. Press
~
1
to select
1:Function
from the
VARS Y
.
VARS
menu.
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