Denver Rocks! Let's do cool things!
Pi Day is celebrated on March 14th (3/14) around the world. Pi (Greek letter “π”) 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. Learn the formula for making a mini pie and learn the history of pie with Long i Pie.
[Free]
More info: https://www.denverlibrary.org/event?id=29043