San Diego Skeptic Society presents Arthur Benjamin, the Smallwood Family Professor of Mathematics at Harvey Mudd College in Claremont, California. Dr. Benjamin will demonstrate how to mentally add and ...

For mathematician and "mathemagician" Arthur Benjamin, the best way to illustrate the basic concept of algebra is with a little magic trick: "Think of a number between one and ten. Now, double it. Add ...

FORT LEE — For 10 seconds, a series of 50 random three-digit numbers flashed on the screen. After another second, abacus master Jeonghee Lee announced she'd finished the mental addition, correctly ...

Pizza and poker hands, ice cream and “immortal” rabbits—these items aren’t typically to be found in math books, but Benjamin (The Secrets of Mental Math), professor of mathematics at Harvey Mudd ...