Happy National Pi Day!

National Pi Day is a great day to open up our Facebook page! 

What? You've never heard of National Pi Day? Albert Einstein (whose birthday is also today) would be very disappointed! What? You've never heard of Knowledge to Grow On?  Well, look around and see who we are and what we do!

If you want to learn more about the significance of the number π and how it helped us with space exploration, we will be at the 4th Annual Chappaqua STEM Fest March 24th at Bell Middle School launching our MATH IN MOTION space program! 

For more information about Chappaqua STEM Fest 2018 go to www.chappaquaptastem.com


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The number π (/paɪ/) is a mathematical constant. Originally defined as the ratio of a circle's circumference to its diameter, it now has various equivalent definitions and appears in many formulas in all areas of mathematics and physics. It is approximately equal to 3.14159. Which is why we celebrate National Pie Day on 3/14