Dr. Arthur Benjamin is a Professor of Mathematics at Harvey Mudd College in Claremont, California. He is also a professional magician, and for the last 25 years he has presented his mixture of math and magic all over the world to thousands of groups. He has authored several books and DVD courses, including The Joy of Mathematics and The Secrets of Mental Math. In their Best of America issue, Reader's Digest recently called him America’s Best Math Whiz. In his entertaining and fast-paced performance, Dr. Benjamin demonstrates how to mentally add and multiply numbers faster than a calculator, compute the day of the week of any date in history, and other amazing feats of mind. It also features an extended Q and A where Dr. Benjamin explains the mathematics behind some of his most amazing tricks.