With this bold opening statement in a 2001 Mathematical Intelligencer article, mathematician Robert Palais launched a debate ...

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 ...

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, ...

Most people first learn about the number π (pi) in school, usually when studying circles. It is often written as 3.14, but this is just an approximation. In reality, pi is an irrational number, ...

Math teacher Marcus Hung squinted in mock concentration. "3.1415," he said before pausing dramatically and then smiling. "That's about it." Reciting the digits of the irrational number pi is not his ...

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 ...