Funny Gradient Pi Number Physics Nerd Hats

Description: Nerd humor design featuring the pi number with a colorful gradient twist. Perfect for math and science lovers.

Description: Funny clothes for all physics, mathematics Nerds / Geeks & friends of quantum mechanics. Erwin Schrödinger known by his experiment Schrödinger's cat. Great gift for all physics professors & Student.

Description: The number π is a mathematical constant. It is defined as the ratio of a circle's circumference to its diameter, and it also has various equivalent definitions.

Description: PI - the ideal number? Forget PI here comes Octopi. The new star among all the nerd and geeks - Mathematics / Physics / Big Bang fans / permutation / students / scholars. Awesome gift in any case.