EDIT: After having left this to rot for a few years, I have decided to correct some glaring typos. :D
Step 1: Grab your slice of pi (and please don't eat it 'till we're done)
Here is a website you can go to get pi :
Here is a site to search pi digits :
Here are the 1st hundred decimal digits:
apparently of which (some) I have memorized. In the recent years after not actively revising I have forgotten some off the far end.