TI-83 Plus Function Graphing 116
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.