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 Pi Password Star Wars Mashup Shirt for Password Day

The first Thursday in May, today, May 4, 2023, 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...

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...

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...

I Love Pi Day Funny Math Spoof 3.14 March 14th Holiday T-Shirt

Celebrate PI Day on March 14 or any day with this fun I Love Pi Day t-shirt! You can celebrate the ultimate math lover holiday with this cute design that has a heart made of PI symbols! The full sentiment is "I Love PI Day" or "I Heart...

Pi T-Shirt 3,14 = Pie Coincidence ? I Think Not Math Pun 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
Happy Pi Day Mathematic Math Teacher Leopard Rain T-Shirt – Happy Pi Day Mathematic Math Teacher Leopard Rainbow T 9. 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
Happy Pi Day Tie Dye 3 14 Pi Number Math Teacher S T-Shirt – Happy Pi Day Tie Dye 3 14 Pi Number Math Teacher Student. View on Zazzle
Happy Pi Day Mathematic Math Teacher Leopard Rain T-Shirt – Happy Pi Day Mathematic Math Teacher Leopard Rainbow T 12. View on Zazzle
Happy Pi Day 2022 Womens 3.14 Math Cute Teacher T-Shirt – Happy Pi Day 2022 Womens 3.14 Math Cute Teacher. View on Zazzle
Happy Pi Day Pie Funny Math Coach Teacher Pi Day Lover Nerdy T-Shirt – CHECK OUR BRAND ON THE TOP FOR MORE MATCHING DESIGNS - Get this Artwork while teaching math, having lunch with your kids at school, or to... 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
Happy Pi Day Mathematic Math Teacher Leopard Rain T-Shirt – Happy Pi Day Mathematic Math Teacher Leopard Rainbow T 9. View on Zazzle
Happy Pi Day Love Math Teacher Leopard Pi Mask T-Shirt – Happy Pi Day Love Math Teacher Leopard Pi Mask. View on Zazzle
Happy Pi Day 2022 Womens 3.14 Math Cute Teacher T-Shirt – Happy Pi Day 2022 Womens 3.14 Math Cute Teacher. 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
Retro Irrational But Well Rounded Pi Day Celebration Math T-Shirt – Retro Irrational But Well Rounded Pi Day Celebration Math shirt. Pi Day is March 14 (3.14). Pick up a Pi Day shirt for yourself and your... View on Amazon
Happy Pi Day Tie Dye 3 14 Pi Number Math Teacher S T-Shirt – Happy Pi Day Tie Dye 3 14 Pi Number Math Teacher Student. View on Zazzle
Happy Pi Day Kids Teachers Math Tutor Student Pi D T-Shirt – Happy Pi Day Kids Teachers Math Tutor Student Pi Day. 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
Happy Pi Day Tie Dye 3 14 Pi Number Math Teacher S T-Shirt – Happy Pi Day Tie Dye 3 14 Pi Number Math Teacher Student. View on Zazzle
Pi Day Shirt Spiral Pi Math design for Pi Day 3.14 T-Shirt – Pi Day Shirt 3. 14 Pi tee shirt. Perfect for math majors, graduate students, science nerds or math geeks! Great for math teachers or mathletes who... View on Amazon
Happy Pi Day Mathematics Math Teacher Leopard Rain T-Shirt – Happy Pi Day Mathematics Math Teacher Leopard Rainbow 1. View on Zazzle
Happy Pi Day Love Math Teacher Leopard Pi Mask T-Shirt – Happy Pi Day Love Math Teacher Leopard Pi Mask. View on Zazzle
Pi Shirt for Teacher Vintage 3.14 Pi Digits Happy Pi Day T-Shirt – 3.14 Pi Digits Vintage 3.14 Pi Math Teacher Happy Pi Day shirt intended for men women and kids. This Pi Day T-shirt is perfect for math... View on Amazon
Happy Pi Day Mathematic Math Teacher Leopard Rain T-Shirt – Happy Pi Day Mathematic Math Teacher Leopard Rainbow T 12. View on Zazzle
Happy Pi Day Mathematics Math Teacher Leopard Rain T-Shirt – Happy Pi Day Mathematics Math Teacher Leopard Rainbow 1. View on Zazzle
Happy Pi Day Kids Teachers Math Tutor Student Pi D T-Shirt – Happy Pi Day Kids Teachers Math Tutor Student Pi Day. 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