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
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 from
the Home Screen
or a Program