Pi Day Shirts

http://teespring.com/pi-day-of-the-century-8360

Order your commemorative Pi Day t-shirt NOW so you can have it in time for Pi Day on 3/14/15!

This once-in-a-lifetime date will be remembered with your commemorative Pi Day t-shirt.

Get one for yourself, your boyfriend/girlfriend, your math professor, your mom, your kids, and all your math nerd friends!

http://teespring.com/pi-day-of-the-century-8360

Pi Day may happen every year, but this Pi Day only comes along once in a century. Are you going to be around for the next once-in-a-century Pi Day? Probably not, so grab your commemorative Pi Day t-shirt now.

http://teespring.com/pi-day-of-the-century-8360

The clock is ticking!