X-RAY 101 - THE CLASSIC

My old X-ray tutorial, started on spare time in 1993 when the web was new, Mosaic was a hot browser and Windows NT 3.0 cutting edge technology. Still useful, but will run its course, new pages will be added only to the new tutorial accompanying my new book. The interactive exercises still work.

CD SPECTROSCOPY  TUTORIAL

A brief but useful tutorial describing the technique of Circular Dichroism (CD)Spectroscopy (a.k.a. Spectropolarimetry). Basics, method, and a program to fit CD spectra.  

COMPUTING TUTORIALS

A random collection of tutorials on crystallographic computing, including an example for Least Squares, superposition y Quaternion matrices, and web CGI programming and real time GIF graphics for web server applications. Somewhat outdated, but still a useful introduction.