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Sale Price $17.26.
Original Price $20.30 Comp. value
per shirt
You save 15%
Funny Pi Day Shirt – Irrational Feelings About Pi
Qty:
Style
Basic T-Shirt
-$1.20
+$8.45
Color & Print Process
White
Classic Printing: No Underbase
Vivid Printing: White Underbase
About T-Shirts
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About This Design
Funny Pi Day Shirt – Irrational Feelings About Pi
Show off your love for math humor with this funny Pi Day t-shirt design featuring a cute cartoon pi (π) character holding a slice of pie. The clever phrase “I Have Irrational Feelings About Pi” is a perfect math pun that teachers, students, engineers, and STEM lovers will instantly get.
This playful illustration is ideal for Pi Day (March 14), math class, school events, STEM clubs, or as a fun gift for math teachers and nerdy friends. Looks great on t-shirts, hoodies, stickers, mugs, and posters.
Customer Reviews
4.7 out of 5 stars rating31.9K Total Reviews
31,926 Reviews
Reviews for similar products
5 out of 5 stars rating
By Jerry S.July 5, 2025 • Verified Purchase
Basic T-Shirt, White, Adult L
Have had Zazzle complete a number of T-shirt projects in the past. This one had several design elements. It was well done. I will work with Zazzle again.
2 out of 5 stars rating
By Mas B.August 8, 2025 • Verified Purchase
Basic T-Shirt, White, Adult S
The T shirt seems to be made from decent material but appears to be an irregular t-shirt sewn and stitched. .
5 out of 5 stars rating
By Charnita F.August 19, 2020 • Verified Purchase
Basic T-Shirt, White, Adult S
Zazzle Reviewer Program
The shirt is well-made; the material is soft and not too thin. The sleeves are just right. I ordered a size larger just in case and it fits as expected for a shirt that is one-size too big. Considering it will probably shrink the more it's washed, I don't mind it. The print of my job's logo looks great. I haven't noticed any bleeding or imperfections.
Tags
Other Info
Product ID: 256318756297616075
Created on: 2/16/2026, 9:49 AM
Rating: G
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