π –Pi Day– π

March is here, and it’s time to celebrate! St. Patrick’s Day, the first day of spring and March Madness may all grab our attention but at the library we are talking about a different holiday. Get out your calculators—it’s time to celebrate Pi Day! What’s that, you may ask? Think back to geometry class… Pi is a mathematical constant that is the ratio of a circle’s circumference to its diameter. Pi is approximately equal to 3.14159 and usually is shortened to 3.14, but it could go on forever. It has been represented by the Greek letter “π” since the mid-1700s, although it is usually spelled out as “pi.” We invite you to join us at the Casselton Public library on 3.14 at 1.59pm as we watch the movie The Life of Pi and enjoy a slice of pie as we marvel at the wonders of math.



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