Senior Computing Services
From time to time, Don provides information on this page that
may be useful for you to download.  All of this material is either created by Don or contains specific references when material has been excerpted from other sources.

Most of these documents are provided as PDF files.  If you find that you cannot view them, you probably need to download and install the latest version of Adobe Reader. You may do that by clicking here.  This reader is free of charge from Adobe.