March 14 is celebrated as Pi Day because the date, when written as 3/14, matches the start of the decimal expansion 3.14159… of the most famous mathematical constant. By itself, pi is simply a number, ...

This amenability to being written down makes rational numbers the ones we know best. But rational numbers are actually rare among all numbers. The vast majority are irrational numbers, never-ending ...

If you've been using Pi Day as an excuse to just eat pie, that's just peachy (or apple or chocolate cream). But there's so much more to know about pi. Here's why we care about pi and its day of ...

Each year, on March 14, it's become traditional for numerophiles and mathematicians to pause and reflect on the most famous of irrational numbers, pi. Pronounced pie, written as π, and summed up by ...

This Pi Day, as you’re enjoying your slice of pie, explore a bigger slice of mathematics. Most March 14 celebrations are obsessed with the number pi. If you think “obsessed” is too strong, take a look ...

In his head, Dan Knights is thinking "Russia overhears a Bostonian rebel marmoset rashly reply heavily." But he's saying: "468440901224953430146549585. " Knights, a University of Minnesota professor, ...

We celebrate March 14. But what about Golden Ration Day in early January, or Euler’s number e Day on Feb. 7? A UMBC prof imagines the nerdy possibilities. One mathematical constant describes the ...