This is my professional website. Most of the material here is about programming and related topic areas. It is also the download portal for my mathematics-related software, and a few useful pages.
Descartes is a program which draws graphs.
Gauss draws graphs in 3 dimensions
Argand handles complex functions
Latest version of the PhD thesis (4.7MB PDF)
webtech.zip unzips to a pdf containing an introduction to JavaScript, SQL (in MS Access) and PHP, plus associated example files (1.5M, 9 March 2009)