At the moment, Panoramic does not have subroutines with local variables, so that it is difficult to write big programs.
On the other hand, Panoramic can use DLLs written in FreeBASIC or Delphi (with some limitations).
See for instance my calculator program, PanoCalc:
http://www.unilim.fr/pages_perso/jean.debord/panocalc/panocalc_en.zip