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3-8 Function Graphing
8303FUNC.DOC TI-83 international English Bob Fedorisko Revised: 02/19/01 12:16 PM Printed: 02/19/01 1:35
PM Page 8 of 28
8303FUNC.DOC TI-83 international English Bob Fedorisko Revised: 02/19/01 12:16 PM Printed: 02/19/01 1:35
PM Page 8 of 28
To select or deselect a function from the home screen or a
program, begin on a blank line and follow these steps.
1. Press
~
to display the
VARS Y
.
VARS
menu.
2. Select
4:On/Off to display the
ON/OFF
secondary menu.
3. Select
1:FnOn to turn on one or more functions or
2:FnOff to turn off one or more functions. The
instruction you select is copied to the cursor location.
4. Enter the number (
1 through 9, or 0; not the variable
Y
n
) of each function you want to turn on or turn off.
•
If you enter two or more numbers, separate them
with commas.
•
To turn on or turn off all functions, do not enter a
number after
FnOn or FnOff.
FnOn[
function#
,
function#
, . . .,
function n
]
FnOff[
function#
,
function#
, . . .,
function n
]
5. Press
Í
. When the instruction is executed, the
status of each function in the current mode is set and
Done is displayed.
For example, in
Func mode, FnOff :FnOn 1,3 turns off all
functions in the
Y=
editor, and then turns on Y
1
and Y
3
.
Selecting and
Deselecting
Functions from
the Home Screen
or a Program