A single server smashed the pi world record, churning out 314 trillion digits in 110 days.

Pi Day,” which is March 14, 3.14, is a day meant to recognize the special, infinite number that can also be recognized by its ...

This day only comes 'round' once every year!

Celebrate Pi Day and read all about how this number pops up across math and science on our special Pi Day page. Grab something circular, like a cup, measure the distance around the circle, and divide ...

Pi Day is celebrated every year on March 14 to honor the mathematical constant π (pi), which represents the ratio of a circle’s circumference to its diameter. The value of pi is approximately ...

Celebrate 'Pi Day' with various food deals, including free pizza and other items for $3.14 at restaurants like Burger King ...

March 13 is “Pi Day,” a celebration of the irrational number Pi. Six-time USA Memory champion Nelson Dellis has memorized ...

Pi Day 2026 celebrates one of the most iconic irrational numbers: 3.14. Here are some deals and freebies you can take ...

Celebrate Pi Day (3.14) this March 14 with some extra laughs.

Each March 14 (3/14) mathematicians and science enthusiasts celebrate Pi Day, honoring the mathematical constant π (pi).

Does the date March 14 ring a bell with you? Best known as Pi Day, 3/14 is the celebration of the number that begins with 3.14159 … and never ends. Pi (π) is the ratio of a circle’s circumference to ...