3.14 essential reads for Pi Day

On March 14, or 3/14, mathematicians and other obscure-holiday aficionados celebrate Pi Day, honoring π, the Greek symbol representing an irrational number that begins with 3.14. Pi, as schoolteachers everywhere repeat, represents the ratio of a circle’s circumference to its diameter.What is Pi Day, and what, really, do we know about Pi anyway? Here are three-and-bit-more articles to round out your Pi Day festivities.A silly holidayFirst off, a reflection on this “holiday” c