Be Rational Get Real T-Shirt Funny Math Geek Pi Day T-Shirt

This funny math, physics shirt is a great gift for math teachers, students and math nerds. It shows the irrational number Pi and the imaginary number i of the complex numbers, which leads to a funny discussion.
Be Rational! Get Real! Funny t-shirt for math geniuses and enthusiasts. The shirt makes you smile, but only if you have a certain understanding of the mathematical principles.