Hi, its much faster to use a 'subprogram' for a variable this large. Thanks Michael Abootorab you wrote: Michael Abootorab ([log in to unmask]) wrote: : if you define a variable this large the size of the program file will be : increased by the variable size. I think, not if it is declared EXTERNAL. : I would suggest to write a subprogram ('not dynamic') and define the : large variable in the linkage section of it. If in the linkage section, you must define it elsewhere. * To join/leave the list, search archives, change list settings, * * etc., please visit http://raven.utc.edu/archives/hp3000-l.html *