(Click for the big version and a whole bunch of WikiLegalese.)
Remember: π is a constant. And yet there's always new stuff to post about it:
There's an official site.
(Which is dubious.
Who on earth would is in a position to grant "official" status,
I kind of like this:
Even as we speak, hundreds of apple pies are being readied for delivery to math and science teachers at public middle and high schools located within a 3.14-mile radius of Raytheon Co. headquarters in Waltham.The geek in me points out: that circle is π3 square miles in area.
The New Scientist has a pretty obvious suggestion:
celebrate by eating… oh, I can't bring myself to type