Happy Pi Day! Fans have decided to commemorate the mathematical constant on March 14 for years, but it was until 2009 that Pi Day was designated by the U.S. House of Representatives. For those who don ...

Now for the important part. Today, as you may know, is Pi Day. Why today? Because it’s March 14—yes, 3/14—and 3.14 is the value of pi to two decimals. Of course, the actual number continues to an ...

The nerdiest day of the year is officially here again: March 14, or Pi day. Yes, the day when all jokes end in 3.1415. To celebrate Pi day—the ratio of a circle’s circumference to its diameter—in a ...

The famous mathematical ratio, estimated to more than 22 trillion digits (and counting), is the perfect symbol for our species’ long effort to tame infinity. By Steven Strogatz This article, ...

Happy March 14—time to celebrate everyone’s favorite mathematical constant. Pi, or π, describes the ratio of a circle’s circumference to its diameter. Since it was first discovered more than 4,000 ...