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 ...

Mark your calendar for Monday, May 5, which marks a rare mathematical holiday. This May 5, 2025, is Square Root Day, an event that only happens nine times each century. It occurs when the day and ...

In the 36 years since its creation, Pi Day has become a widely celebrated holiday, one that is not just for math nerds or those with a sweet tooth. The holiday always falls on March 14, but retired ...

A new DNA computer calculates square roots of perfect squares up to 900. Like quantum computers, DNA computers are an exciting frontier of post-silicon computing. Where previous examples were up to 4 ...

[MindYourDecisions] presents a Babylonian tablet dating back to around 1800 BC that shows that the hypotenuse of a unit square is the square root of two or 1.41421. How did they know that? We don’t ...

Once a century, a very special day comes along. That day is today — 9/16/25. Pi Day (3/14) often comes with sweet treats; Square Root Day (4/4/16 or 5/5/25, for example) has a certain numerical rhyme.