A summary of what is known today about Lehmer's Conjecture, including descriptions of algorithms, histories of searches performed, and various lists of polynomials with small measure. References and a thesis available for downloading. Some states use complicated schemes for establishing driver's license identification numbers. The traits do not duplicate the traits in Guttag and Horning's book, but add to them. A mathematician at Grinnell College interested in differential equations and dynamical systems.
Games offer wonderful playing fields for developing mathematical problem-solving skills.
For Mathew Mitchell of the School of Education at the University of San Francisco, the preferred training ground is a classic game called Mastermind. Choose a Level all levels elementary early elem.