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