Celebrate Pi Day and read about how this number pops up across math and science on our special Pi Day page. For more than two millennia, mathematicians have produced a growing heap of pi equations in ...

A growing minority believes it’s a mistake to tie so many mathematical formulas to the famed 3.14... value. Another value, ...

Physicists are now using principles from quantum mechanics to build a new model of the abstract concept of pi. Or, more accurately, they built a new model that happens to include a great new ...

Ramanujan’s elegant formulas for calculating pi, developed more than a century ago, have unexpectedly resurfaced at the heart of modern physics. Researchers at IISc discovered that the same ...

Katie has a PhD in maths, specializing in the intersection of dynamical systems and number theory. She reports on topics from maths and history to society and animals. Katie has a PhD in maths, ...

Nobel laureate in Physics Richard Feynman enjoyed memorizing pi (π). Starting at the 762nd decimal place, the number 9 appears six times in a row. An anecdote tells of how Feynman enjoyed reciting the ...