Pi T-Shirts

The number pi, or π, is a mathematical constant used to calculate measurements in circles. The number represents the ratio of the circumference to the diameter. The name PI has has been used in puns and math geek jokes for years, and these sayings make fun novelty t-shirt designs. Find silly pi-themed t-shirts here for celebrating PI day or for spreading math geek joy any time of the year.

Love Is Like PI Funny Math Geek T-Shirt

This is a fun graphic t-shirt that mashes up a sentiment of love with the mathematical constant PI. The design includes symbolic elements along with artfully arranged text. The main element of this t-shirt design is the text, which is arranged around a heart that surrounds the symbol...

Funny Irrational Pi Math Geek T-Shirt

This is a great text Pi Day t-shirt with a funny slogan for math nerds. The full slogan reads "They Call Me PI Because I'm Irrational and I Don't Know When To Stop". The arrangement of the different mashup fonts is fun and playful. The white text...

Funny Pi Password Star Wars Mashup Shirt for Password Day

The first Thursday in May is designated as World Password Day, a day meant to promote password best practices for a safer online experience. Using a secure password management program is a great way to get your passwords under control, keep them safe, and ensure you are doing...

Chicken Pot Pi Math Chicken Pot Pie Graphic Desig T-Shirt – Chicken Pot Pi Math Chicken Pot Pie Graphic Design. View on Zazzle
Pi Day T-Shirt 3.14 Cool Funny Nerd Math Geek 2017 Rainbow – Great Stuff For Math lover or it could be a gift for your family, dad, mom, son, daughter, brother, sister, grandpa, grandma, uncle, aunt, grandkid, grandchild,... View on Amazon
well turns out play pickleball pickleball game Pi T-Shirt – well turns out play pickleball pickleball game Pickleball. View on Zazzle
Pi Day Women Men Kids Math Teacher Math Pun T-Shirt – Pi Day Women Men Kids Math Teacher Math Pun. View on Zazzle
Pi T-Shirt 3,14 Pi Number Symbol Math Science Gift T-Shirt – If you love mathematics this sarcastic funny geek 3,14 tee is the one for you! Perfect for a birthday Pi day March 14 or Christmas present... View on Amazon
Went From Cream Pies To No Replies Sarcastic Sayin T-Shirt – Went From Cream Pies To No Replies Sarcastic Saying 1. View on Zazzle
Come To The Math Side We Have Pi - Math Geek & Nerd T-Shirt – Come To The Math Side We Have Pi is a funny Math nerd/geek Pi Day shirt for kids, youth, boys, girls, men, and women. math teacher... View on Amazon
I Ate Some Pie And It Was Delicious - I Ate Some Pi Math T-Shirt – Lightweight, Classic fit, Double-needle sleeve and bottom hem. View on Amazon
Biko Filipino Food Tagalog Philippines Dessert Pi T-Shirt – Biko Filipino Food Tagalog Philippines Dessert Pinoy. View on Zazzle
Funny Pi Day Shirt Spiral Pi Math Tee for Pi Day 3.14 T-Shirt – Cool Pi Day 3,14 mathematical ratio 3,14159 greek letters irrational number geek nerd math mathematician algebra science symbol geometry pun school student apparel; THIS IS THE... View on Amazon
Pi T-Shirt 3,14 = Pie Coincidence ? I Think Not Math Pun – If you love mathematics this sarcastic funny geek 3,14 tee is the one for you! Perfect for a birthday Pi day March 14 or Christmas present... View on Amazon
Happy Pi Day Mathematic Math Teacher Gifts Leopard T-Shirt – Happy Pi Day Mathematic Math Teacher Gifts Leopard Rainbow View on Zazzle
Keyword Search 2 T-Shirt – Keyword Search 2 View on Zazzle
Chicken Pot Pi Shirt, Funny Math Day Gift T-Shirt – A chicken pot pi, for anyone that loves math, is a math teacher, or majors in mathematics, this funny pi shirt is sure to draw a... View on Amazon
Happy Pi Day Retro Vintage Math Teacher Students K T-Shirt – Happy Pi Day Retro Vintage Math Teacher Students Kids 3.14 108 View on Zazzle
Chicken Pot Pi Math Chicken Pot Pie Graphic T-Shirt – Chicken Pot Pi Math Chicken Pot Pie Graphic. View on Zazzle
Pi T-Shirt 3,14 Pi Number Symbol Math Science Gift T-Shirt T-Shirt – If you love mathematics this sarcastic funny geek 3,14 tee is the one for you! Perfect for a birthday Pi day March 14 or Christmas present... View on Amazon
Python Pithon Pi Symbol Funny Math Teacher Pi Day Shirt T-Shirt – Grab this Python Snake Pithon Pi Symbol Saying shirt as a gift idea for a math teacher, student graduate, geek, nerd or engineer to wear this... View on Amazon
Went From Cream Pies To No Replies Sarcastic Sayin T-Shirt – Went From Cream Pies To No Replies Sarcastic Saying 2. View on Zazzle
Pi Symbol Ugly Sweater Style Christmas Math Teache – Pi Symbol Ugly Sweater Style Christmas Math Teacher. View on Zazzle
Went from cream pies to no replies T-Shirt – Went from cream pies to no replies. View on Zazzle
Went From Cream Pies To No Replies Sarcastic Sayin T-Shirt – Went From Cream Pies To No Replies Sarcastic Saying 1. View on Zazzle
Can't Stop Pi Won't Stop Pi Day Vintage Retro Math Lover T-Shirt – "Can't Stop Pi Won't Stop". Pi Day Tees. St Patrick's Day Lovers of Mathematics and People Who Celebrate Pi day.; Can't Stop Pi Won't Stop Pi... View on Amazon
Went From Cream Pies To No Replies Sarcastic Sayin T-Shirt – Went From Cream Pies To No Replies Sarcastic Saying . View on Zazzle
All I Need Is Coffee And Pi 5 T-Shirt – All I Need Is Coffee And Pi 5 View on Zazzle