Add Yahoo as a preferred source to see more of our stories on Google. September 16, 2025, is the only date that fits the definition this century. Here’s the specific math to add it all up: 3 ...

What do patterns, puzzles, and art have in common? Expand your horizons and see the connections. You’re using math and don’t even know it. Unlock the beauty of mathematics at WonderLab’s Pythagorean ...

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.

Maor, an author and Loyola University math history instructor, has crafted a charming tour through math history, introducing the many ways that the Pythagorean Theorem (in a right triangle, the sum of ...

This is an updated version of a story first published on Nov. 1, 2024 For centuries, students have learned that in a right triangle, the square of the hypotenuse equals the sum of the squares of the ...

the Pythagorean theorem. Keith McNulty, an expert in applied mathematics, said: 'It's a wonderful demonstration that excellence in a field of research is achievable by anyone with joy and passion, ...

Traces of right-angled triangles drawn using the Pythagorean theorem have been discovered on an approximately 3,700-year-old ancient Babylonian clay tablet. This predates Pythagoras, the ancient Greek ...