Saturday is Pi Day, a national celebration of the mathematical concept, which is the ratio of a circle's circumference to its diameter and equals 3.14... Schools and museums often plan events to ...

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 ...

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 ...