Pi Day | March 14 Annually
Pi Day is a fun holiday meant to celebrate the mathematical constant of Pi, or π. The event is observed each year on March 14, which is taken from the first three digits of Pi: 3.14. Pi Day was recognized by the U.S. House of Representatives in 2009 and UNESCO has designated Pi Day as the International Day of Mathematics in 2019. Shop funny Pi Day t-shirts here for math fans!
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
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Happy Pi Day Cute Apple Pie 3.14 Funny Science Math Teacher T-Shirt – Say Happy Pi Day on March 14th with this math nerdy or math geek funny Pi Day gift for any math teacher, mathematician, math tutor, engineers... View on Amazon
Mathletic Department 3.14159 Pi Day Math Teacher Vintage T-Shirt – Funny math geek, pi day, teacher or student, pi number and symbol distressed design.; Lightweight, Classic fit, Double-needle sleeve and bottom hem. 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
Pi Day Shirt Spiral Pi Color Numbers Teacher Student T-Shirt – The Best Pi Day Shirt 3. 14 Pi tee shirt. Fun colorful digits for men women boys girls kids, math majors, graduate students, math nerds or... View on Amazon
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Happy Pi Day Mathematic Math Teacher Vintage 1 T-Shirt – Happy Pi Day Mathematic Math Teacher Vintage 1. View on Zazzle
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I Love Pi Did Someone Say Pie Math Teacher Women Men Kids T-Shirt – I Love Pi Did Someone Say Pie Math Teacher Women Men Kids shirt, long sleeve, sweatshirt is perfect Pi Day gift ideas for teachers, students, kids,... View on Amazon
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Happy Pi Day Mathematic Math Teacher Vintage 3 T-Shirt – Happy Pi Day Mathematic Math Teacher Vintage 3. View on Zazzle
Python Pithon Pi Symbol Funny Math Teacher Pi Day T-Shirt – Python Pithon Pi Symbol Funny Math Teacher Pi Day; Lightweight, Classic fit, Double-needle sleeve and bottom hem. View on Amazon
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
Funny Pi Day Math Teachers Shirts, Pi Symbol Pie M T-Shirt – Funny Pi Day Math Teachers Shirts, Pi Symbol Pie Men Women. View on Zazzle