I explained more of the details and some of the "why's" in http://www.moserware.com/2009/09/stick-figure-guide-to-advanced.html http://www.moserware.com/2009/09

I explained more of the details and some of the "why's" in http://www.moserware.com/2009/09/stick-figure-guide-to-advanced.html http://www.moserware.com/2009/09/stick-figure-guide-to-advan... , but most people seemed to stop reading before getting to them.