In Math, Pi is defined as the ratio of a circle’s circumference to its diameter. The value of PI is 3.14, and regardless of circle size, this ratio will always equal PI.

This March 14, Short Wave is celebrating pi ... and pie! We do that with the help of mathematician Eugenia Cheng, Scientist In Residence at the School of the Art Institute of Chicago and author of ...

Today marks the 34th annual Pi Day. Researchers at NASA frequently use pi in their calculations while exploring the universe. Test your mathematical mettle with these Pi Day worksheets from NASA.

On March 14 mathematicians everywhere enjoy a slice of pie as they recite the digits of math's most famous constant. Pi, defined as the ratio between the circumference of a circle and its diameter ...

Math enthusiasts around the world, from college kids to rocket scientists, celebrate Pi Day on Thursday, which is March 14 or 3/14—the first three digits of an infinite number with many ...

Pi Day, which would have been the 136th birthday of Albert Einstein, is a great excuse to eat pie, and to appreciate how important the number pi is to math and science.

Across the country, math geeks in museums, schools, private groups and elsewhere gather to celebrate the number pi, approximately 3.14. That’s why March 14 – 3-14 – is Pi Day.