Texas Instruments TI-83 PLUS - Manual (Page 538)

TI-83 Plus Programming 535
Calling Other Programs as Subroutines
Calling a Program from Another Program
On the TI-83 Plus , any stored program can be called from another
program as a subroutine. Enter the name of the program to use as a
subroutine on a line by itself.
You can enter a program name on a command line in either of two ways.
•
Press  | to display the
PRGM EXEC
menu and select the name of
the program prgm name is pasted to the current cursor location on a
command line.
•
Select prgm from the
PRGM CTL
menu, and then enter the program
name.
prgm name
When prgm name is encountered during execution, the next command that
the program executes is the first command in the second program. It
returns to the subsequent command in the first program when it
encounters either
Return or the implied Return at the end of the second
program.