is a math professor at Harvey Mudd College, but he's got a side gig, too: as a magician. His new book, "The Magic of Math," combines his two passions — which actually have a lot in common.

Ever dreamt of solving math problems in your head with the speed of a calculator? Mental math might seem challenging, but it's a skill attainable through the right tools and techniques. The abacus, an ...

Converting between kilometers and miles becomes effortless with these mental math tricks. Learn to quickly estimate distances for everyday scenarios, from understanding international content to ...