Pi Day is a special day in the lives of many a nerd. Just like normal people celebrate Valentine's Day or National Pancake Day, nerds around the world will gather and join hands in the shape whose ratio of its circumference to its diameter is the most revered mathematical constant in the known universe.
Here's a list of ways to celebrate the mathmatical of holidays. My favourite, of course, involves food, especialy pie:
Eat 'pi' foods. Many creative ways exist to do this. First, there's the punny approach, like eating pineapple, pizza, or pine nuts and drinking pina coladas or pineapple juice. Second, there's the shape approach, like making cookies or pancakes shaped like pi or making a pie with a pi cut out of the center of the crust. Of course, whatever you do, Pi Day is simply incomplete without eating pie, even if you don't feel artistic enough to carve the pi symbol out of the top.
Have a happy 3.1415926535897932...