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.

Pi Day (March 14) is a day of global mathematical celebration, but it’s not the only numerically significant calendar date.

According to Timeanddate, this means September 27, 2025 isn’t just a square date, it’s a global square date, which occurs ...

On Saturday, September 27, 2025, a unique mathematical event will captivate even those who shy away from numbers. When ...

The high schoolers presented their theory at a national mathematics conference. Two Black teenage girls from New Orleans say they could be the first mathematicians in at least 2,000 years to find ...

September 16, 2025, is the only date that fits the definition this century. Here’s the specific math to add it all up: 3 multiplied by itself is 9, 4 squared is 16, and 5 squared is 2025. On top of ...

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.