Add Yahoo as a preferred source to see more of our stories on Google. An illustration of the mathematical symbol pi etched into a piece of pi on a green background. Math nerds everywhere are digging ...

Add Yahoo as a preferred source to see more of our stories on Google. A planet surrounded by the number pi with the first 15 decimal places highlighted. Pi is an irrational number, meaning it has an ...

Numbers rarely make headlines, but pi has a habit of doing exactly that. The famous constant, which is best known from school math as 3.14—never actually ends, and its digits never repeat their ...

That became readily apparent on Saturday, when he recited 385 digits of pi from memory. It was part of a Pi Day celebration he organized in a Portland coffee shop, where all were encouraged to attempt ...