Files in this tree deal with general-purpose issues. The functionality is suitable for inclusion into the PDL language itself -- i.e. it's of interest to the scientific computing community in general, not just to solar physicists. As of 14-Jun-2005 the following subdirectories existed: images - Routines for handling image data (FITS and otherwise) numerical - Routines having to do with numerical simulation methods time - Some simple interfaces to the time routines misc - Grab bag