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Happy Pi Day & Albert Einstein's Birthday -- March 14, 2015
Celebrating Pi Day and Albert Einstein's Birthday: Today is 3/14/15 and math lovers everywhere are celebrating this never-ending number (3.14159 . . .), which will only happen (datewise) on this day, TODAY!
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.
You can prove Pi exists by measuring the circumference and diameter of circular objects around the classroom or house and solving for the equation: circumference = (pi) x (diameter).