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!
Comments