Monthly Archives: July 2011

When not to cancel common factors

Today I was helping some students of mine get ready for my final. These are science teachers who are in an alternative licensure program for physics. We were talking about the equations for the resonant frequencies in various systems and … Continue reading

Posted in math, physics, teaching | 6 Comments

Brownie nuts probability

I don’t like nuts. I really don’t like them in brownies. What I want is a way to tell if a particular brownie has nuts in it just by looking at it. That’s what this post is all about. If … Continue reading

Posted in fun, math, physics | 2 Comments