3.1415926...
Can I have a small container of coffee?
Pi Day is celebrated on March 14th (3/14) around the world. Pi is the symbol used in mathematics to represent a constant - the ratio of the circumference of a circle to its diameter - which is approximately 3.14159. Pi Day is an annual opportunity for math enthusiasts to recite the infinite digits of Pi, talk to their friends about math, and to eat Pie.