3.8 Function Graphing
82533F~1.DOC TI-83 international English Bob Fedorisko Revised: 10/26/05 1:20 PM Printed: 10/27/05 1:55
PM Page 8 of 28
82533F~1.DOC TI-83 international English Bob Fedorisko Revised: 10/26/05 1:20 PM Printed: 10/27/05 1:55
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 Yn) 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 Y1 and Y3.
Selecting and Deselecting Functions (continued)
Selecting and
Deselecting
Functions from
the Home Screen
or a Program