I’m slowly importing old MobileMe blogs here, it will take a while for me to get all the posts up and all the photos restored. If you are looking for information on the Common Core, please go to http://commoncoretools.me.
About Bill McCallum
I was born in Australia and came to the United States to pursue a Ph. D. in mathematics at Harvard University, met my wife, and never went back. I am a professor at the University of Arizona, working in number theory and mathematics education.