March 14, National Pi Day, honors 3.14 (Ï€) the ratio of the circumference of a circle. Whether you're challenging yourself to find how many decimal placements are actually in Pi (Ï€) or you're eating ...
Editor's note: A version of this story was published in March 2011. Get ready to roll out some dough, because it's Pi Day. What's that, you ask? Think back to geometry class. Pi represents the ratio ...
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