How can people be so studious? I mean how can one love subjects like mathematics and science? Phobia for few and mania for others! Check out the pi-tat pictured above. Adorned by Patrick Bahis, (Mathematics professor at a public liberal arts college) this is the Greek pi surrounded by few turns of a spiral made up of the first 95 digits of the value for the irrational number pi (3.14159265â¦). He already has few cool tats on his body but he missed a tat related to his discipline which was the reason why he got his first math-themed tattoo. Itâs as simple, if you have mathematics phobia, you wonât get this kinda tat on your body but if youâve mathematics mania, youâll simply love wearing it!