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.

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...

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...

Pi Day Math Equation T-Shirt – Pi Day Math Equation 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
Happy Pi Day Mathematic Leopard Rainbow Math Teacher Gift T-Shirt – Happy Pi Day Mathematic Math Teacher Gift Funny Leopard Rainbow T-Shirt; This Peace Love Pi Day Tee design matching perfect gifts idea for men women kids... View on Amazon
I Steal Hearts Autism Awareness Elephant Puzzle Pi T-Shirt – I Steal Hearts Autism Awareness Elephant Puzzle Piece T-Shir View on Zazzle
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
Can't Stop Pi Won't Stop Pi Day T-Shirt – Can't Stop Pi Won't Stop Pi Day View on Zazzle
Teacher Happy Birthday to me Pi Day T-Shirt – Teacher Happy Birthday to me Pi Day View on Zazzle
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
Balloon stick figure Stick woman together Woman Pi T-Shirt – Balloon stick figure Stick woman together Woman Pilot Classic T-Shirt Copy Copy Copy View on Zazzle
Funny Mega Pint - Isn't Happy Hour Anytime Mega Pi T-Shirt – Funny Mega Pint - Isnt Happy Hour Anytime Mega Pint is a perfect design it can also be given as a Birthday or to your best friend View on Zazzle
Happy Pi Day T-Shirt – Happy Pi Day View on Zazzle
Cant Stop Pi Wont Stop Math Pi Day Funny Math Teacher T-Shirt – Celebrate a happy Pi Day with this funny mathematics pun tee featuring the greek letter pi used as the mathematical symbol for the irrational number that... View on Amazon
Pi Like a Regular Numbe T-Shirt – Pi Like a Regular Numbe View on Zazzle
Pi 3.14 First 2,000 Digits of Pi Math T-Shirt for Pi Day – This apparel is printed using the actual first 2,000 digits of Pi. Pi Day is celebrated on March 14th all around the world. Pi is the... View on Amazon
Pi Day 2022 Math Teacher T-Shirt – Pi Day 2022 Math Teacher View on Zazzle
Pi Math Science STEM T-Shirt – Pi Math Science STEM View on Zazzle
Balloon stick figure Stick woman together Woman Pi T-Shirt – Balloon stick figure Stick woman together Woman Pilot Classic T-Shirt Copy 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
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
Balloon stick figure Stick woman together Woman Pi T-Shirt – Balloon stick figure Stick woman together Woman Pilot Sleeveless Top View on Zazzle
Can't Stop Pi Won't Stop Math Pi Day Funny Maths Club Gifts T-Shirt – Celebrate a happy Pi Day with this funny mathematics pun tee featuring the greek letter pi used as the mathematical symbol for the irrational number that... View on Amazon
Womens Math Is A Piece Of Pie Math Lover Pi Day Ki T-Shirt – Do you love Math and Pi Day? Then This Pi Day apparel for a math teacher and mathematics lovers Perfects outfit for 3.14 pi day celebration... View on Zazzle
Balloon stick figure Stick woman together Woman Pi T-Shirt – Balloon stick figure Stick woman together Woman Pilot Classic T-Shirt Copy Copy View on Zazzle
Balloon stick figure Stick woman together Woman Pi T-Shirt – Balloon stick figure Stick woman together Woman Pilot Classic T-Shirt View on Zazzle
Happy Pi Day Mathematic Math Teacher Gift Leopard Rainbow T-Shirt – Happy Pi Day Mathematic Math Teacher Gift Funny Leopard Rainbow T-Shirt; This Peace Love Pi Day Tee design matching perfect gifts idea for men women kids... View on Amazon