Notes About Calling Programs - Texas Instruments TI-83 Manual Book

Program
Subroutine ( '

Notes about Calling Programs

Variables are global.
used with
label
in one program is not recognized by another program. You cannot
label
use to branch to a
Goto
exits a subroutine and returns to the calling program, even if it is
Return
encountered within nested loops.
TI-83 Plus Programming
Output
&
and is local to the program where it is located.
Goto Lbl
in another program.
label
536