Learn how to check divisibility by 13 with Sall's Theorem! This easy-to-follow method helps you determine if a number is divisible by 13 without doing long division. Perfect for math enthusiasts and ...

Two years ago, they made headlines by creating a trigonometric proof of the Pythagorean theorem—a milestone thought impossible for over 2,000 years.

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 ...

Pythagorean Theorem Found On Clay Tablet 1,000 Years Older Than Pythagoras It predates Pythagoras by over 1,000 years.

Pythagoras' theorem only works for right-angled triangles, so you can use it to test whether a triangle has a right angle or not.

Ne’Kiya Jackson and Calcea Johnson have published 10 trigonometric proofs of the Pythagorean theorem, a feat thought impossible for 2,000 years.

The famous ancient site at Stonehenge may have been built using Greek philosopher Pythagoras’ famous theorem two millennia before the mathematical equation was developed, experts say.

Two students at a school in New Orleans have presented evidence of a mathematical discovery that scholars have been trying to prove for 2,000 years.