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TI-83 Plus Function Graphing 114
Selecting and Deselecting Functions
Selecting and Deselecting a Function
You can select and deselect (turn on and turn off) a function in the
Y=
editor. A function is selected when the
=
sign is highlighted. The
TI-83 Plus graphs only the selected functions. You can select any or all
functions
Y1
through
Y9
, and
Y0
.
To select or deselect a function in the
Y=
editor, follow these steps.
1. Press
o
to display the
Y=
editor.
2. Move the cursor to the function you want to select or deselect.
3. Press
|
to place the cursor on the function’s
=
sign.
4. Press
Í
to change the selection status.
When you enter or edit a function, it is selected automatically. When you
clear a function, it is deselected.