Today is Cinco de Mayo. And this year, the fifth of May is filled with mathematical joy. It is — Square Root Day! It all started in 1981. "I was writing a check in late August," says Ron Gordon, who ...

You may not be aware of it, but tomorrow's a national holiday for the pocket-protector-and-slide-rule crowd. But why settle for just one numerically inspired celebration each year? Cringely goes in ...

Years ago, no math education was complete without understanding how to compute a square root. Today, you are probably just reaching for a calculator, or if you are writing a program, you’ll probably ...