Pi Day

Pi Day

Saturday, March 14, 2020 - 10:00am to 2:00pm

Explore the countless uses of nature's most intriguing number with a day of hands-on activities, challenges, and lots, and lots of Pi.

Math is all around us! Enjoy hands-on activities exploring the ways scientists use Pi to better understand different phenomena in nature.

Grab a digit flag and join a special Pi Day procession through the museum!

Learn about the brain and memory during memorization challenges. Humans have used computers to calculate Pi to more than 22 trillion digits. How many can you remember?

Meet Pi Man, the irrational Mathematics Superhero who loves all things Pi!

What is Pi Day?
Celebrated the world over, the irrational number 3.14159265359...etc., better known as its mathematical symbol π, is defined as the ratio of a circle's circumference to its diameter and is used by mathematicians and engineers for everything from simple building and construction plans, to space flight, quantum physics, and deep space astronomy.

Fun Fact:
The North American record for digits of Pi recited belongs to Upper Darby Native Marc Umile who recited more than 15 thousand digits from memory in 2007. The official world record is held by Lu Chao of China who recited more than 67 thousand digits in 2015!

Event is included with general museum admission.

Participating Partners

  • University of Pennsylvania
  • Agora Cyber Charter School
  • Temple University
  • Families
  • Free
  • Public
  • Members


The Franklin Institute
222 North 20th Street
Philadelphia, PA 19103