Question: What is Pi? Answer: A mathematical constant, the ratio of a circle’s circumference to its diameter, the distance around the edge, it turns out, is a little more than three times the distance across. That “little more” makes it wondrously irrational… Question: What is Pi Day? Answer: Every March 14th, mathematicians and those who appreciate or perhaps even love math, celebrate pi, as William Schaaf says, “probably no symbol in mathematics has evoked as much mystery, romanticism,... Read more