Happy “Pi” Day?

| March 14, 2012

So, today everyone has been referencing some “Pi Day”.  Upon further investigation, I realized the reference is in regard to today’s date: 3/14.  Clever…sort of.  Pi (Π), often rounded off to 3.14, is actually a mathematical constant used to calculate the area of a circle (A= Π r²).  It is a never-ending number. The first 100 digits look like this:


Scary, eh? If you’re still confused or would like to learn more about Π, you can check out the following items found online in EDUCAT, the TC Catalog:


Author Christopher G. Gibson
Title Elementary Euclidean geometry : an introduction

Ebook available:

Cambridge, UK : Cambridge University Press, 2003



Author: Robin Hartshorne
Title Euclid and beyond
Ebook available: http://site.ebrary.com.eduproxy.tc-library.org:8080/lib/teacherscollege/docDetail.action?docID=10002167