Thanks macmankev for submitting this!! :O
Shirt.Woot Presents: Mathcathalon!
Shirt.Woot is having a limited sale on math themed shirts, hoodies, book totes and even a backpack and an apron. Check out these designs and others. And if you want one for Pi Day, be sure to get faster shipping.
Don’t just get your math on, put your math on!