You can probably think of a time when you’ve used math to solve an everyday problem, such as calculating a tip at a restaurant or determining the square footage of a room. But what role does math play ...

I am always amazed at the things people do to make a good living. I mean this in the most open and generous way: My own skill set is limited — as is my imagination — so when I meet people who do ...

The term “net asset value,” or NAV, is so commonplace for anyone buying a mutual fund, investors hardly give it a second thought. It has a standard definition. The number is audited annually. There is ...