It seems hard to believe that Cemetech's first Happy Pi Day article was six years ago in 2003, but here we are today, four revisions of the site later, once again celebrating this very notable of tech enthusiast holidays. So have round apple pastries, and celebrate the most famous of the irrational numbers with us here once again. Oh, and as noted on ticalc.org, the US House of Representatives has officially made March 14th Pi Day.