Program Number %

A program usually begins with a % character that is followed by the program number ranging from 1 through 9999 maximum. Each program can be directly started or be called as a subroutine by other programs. Main program and subroutines cannot be discriminated by their program numbers, but by the end of program statement:

The end of program is marked by the corresponding M function or G function:

Program numbers ≥ 8000 are usually considered separately. This range is normally used for storing cycle programs.