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 ...

Editor's Note: To honor math and all who use it, UDaily is re-posting a Pi Day story from 2018. March 14 is Pi Day. You’re welcome to eat pie, too, but the day is more of a celebration of math. A ...