Every year, math nerds and dessert enthusiasts unite to celebrate Pi Day on March 14, a date whose digits represent the first ...
The Weather Network on MSN

Circle the date! Today is Pi Day for 2026!

This day only comes 'round' once every year!
No one is certain who discovered pi as we know it today. But we do have some ideas. It seems that the Egyptians used pi in ...
A single server smashed the pi world record, churning out 314 trillion digits in 110 days.
March 14 is celebrated as Pi Day because the date, when written as 3/14, matches the start of the decimal expansion 3.14159… ...
The late physicist Larry Shaw started celebrating Pi Day to bring his coworkers together and have fun in 1988 while working ...
Math fanatics from all around the world and everyone else who just loves ancient Greek pi (or pie) celebrate on March 14.