Math teacher Ben Orlin writes and draws the (aptly named) blog Math With Drawings and is the author of a new book, Change Is the Only Constant: The Wisdom of Calculus in a Madcap World. To mark its ...

Every mathematician has a story that goes something like this. You’re at a party, and someone asks what you do for a living. “I’m a mathematician,” you say. “You must be a genius!” they reply. Or ...