No, not that kind of pie! March 14 (Get it? 3.14) is National Pi Day, when we celebrate that most useful of all irrational numbers, 3.1415926535897932384626433832795028841
9716939937510582097494459230781640628620899862803482534211706798214808651328230664709384460955058223172535940812848111745...well, you get the idea.
Why not observe the day by watching Donald in Mathmagic Land? That'll get you into the mathematical spirit of the occasion.
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