The short comes in 4 different...
Prints / Designs related to mathematics
PYTHAGOREAN THEΟRΕΜ T SHIRT
T-shirt with greek letter Phi which represents the golden ration in mathematics
THE ARHIMEDE'S PI T SHIRT.
ANTIKYTHERA MECHANISM T SHIRT
T-shirt with Mega Print of Pi that covers all the front part of the T-shirt. It has alsoa circular maiandros, text designs like "Astronomy", "Archimedes" and "Mathematics". More info on Pi in wikipedia