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$40.75
per shirt
Happy Pi Day Be Irrational Retro Math Symbol T-Shirt
Qty:
Style
Basic Dark T-Shirt
-$1.95
+$13.55
Colour & Print Process
Black
Vivid Printing: White Underbase
About T-Shirts
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About This Design
Happy Pi Day Be Irrational Retro Math Symbol T-Shirt
Celebrate March 14th with a splash of color! This retro-inspired "Happy Pi Day" design features a bold orange Pi symbol ($\pi$) framed by a vibrant rainbow border and the witty slogan "be irrational." Perfect for math teachers, students, and STEM enthusiasts who love a good science pun. The colorful typography makes this a standout choice for the classroom or any Pi Day celebration.
Customer Reviews
4.7 out of 5 stars rating32.4K Total Reviews
32,422 Reviews
Reviews for similar products
5 out of 5 stars rating
By Robert C.1 March 2022 • Verified Purchase
Basic Dark T-Shirt, Black, Adult L
Creator Review
I purchased this to test to see if zazzle was producing good quality.
Needless to say, they are.
The sizing runs a bit on the small size though. Print quality is perfect. What you see on the screen is what you get.
5 out of 5 stars rating
By Xavier D.3 February 2021 • Verified Purchase
Basic Dark T-Shirt, Black, Adult M
Creator Review
I like the colours and design, I liked it that much I bought one for myself. Yes the colours and deisgn turned out great. Much better than I expected
5 out of 5 stars rating
By Rachel R.4 September 2025 • Verified Purchase
Basic Dark T-Shirt, Black, Adult S
Ordered the Irish terrier t shirt. I love it! There was a slight issue with sizing ( my fault) but their customer service was amazing. New t shirt within 5 days. I recommend getting 1 to 2 sizes bigger. I am wearing Men's size large.
Tags
Other Info
Product ID: 256883496755669533
Added on 14/1/26, 1:37 pm
Rating: G
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