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Function Graphing 3-7
8303FUNC.DOC TI-83 international English Bob Fedorisko Revised: 02/19/01 12:16 PM Printed: 02/19/01 1:35
PM Page 7 of 28
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 graphs only the selected
functions. You can select any or all functions
Y
1
through
Y
9
, and Y
0
.
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.
To view and change the on/off status of a stat plot in the
Y=
editor, use Plot1 Plot2 Plot3 (the top line of the
Y=
editor). When a plot is on, its name is highlighted on this
line.
To change the on/off status of a stat plot from the
Y=
editor, press
}
and
~
to place the cursor on Plot1,
Plot2, or Plot3, and then press
Í
.
Selecting and Deselecting Functions
Selecting and
Deselecting a
Function
Turning On or
Turning Off a Stat
Plot in the Y=
Editor
Plot1
is turned on.
Plot2
and
Plot3
are turned off.