National Symbols Kids T-Shirts
Pi Day happens on March 14th. However, for the math geek, math nerd, math teacher, etc. this Pi Day will be the Ultimate as 3.14.15 9:26:53 only comes once every 100 years and it happened in My Lifetime. Be Irrational for Once in Your Lifetime.
Tags: pi-symbol, epic-pi-day, geek, nerd, geeky