- Adult Apparel
- T-Shirts
- Tank Tops
- Hoodies
- Crewneck Sweatshirts
- Long Sleeve T-Shirts
- Baseball T-Shirts
- Kids Apparel
- Kids T-Shirts
- Kids Hoodie
- Kids Long Sleeve T-Shirt
- Onesie
- Home Goods
- Wall Art
- Notebooks
- Mugs
- Pillows
- Totes
- Tapestries
- Cases
- Phone Cases
- Laptop Cases
- Stickers

### Filter by product

- Adult Apparel
- T-Shirts
- Tank Tops
- Hoodies
- Crewneck Sweatshirts
- Long Sleeve T-Shirts
- Baseball T-Shirts
- Kids Apparel
- Kids T-Shirts
- Kids Hoodie
- Kids Long Sleeve T-Shirt
- Onesie
- Home Goods
- Wall Art
- Notebooks
- Mugs
- Pillows
- Totes
- Tapestries
- Cases & Stickers
- Phone Cases
- Laptop Cases
- Stickers
- Gifts and Merchandise

This March the 14th, it's time to celebrate the constant pi and to eats lots of pie of course! Pi day 2017 is a fantastic way for superheros, nerds, geeks, mathlete's and algebra experts to enjoy the event. Pi been calculated to over one trillion digits beyond a decimal point and this shirt has a perfect example of the value of Pi. Pi is an irrational and transcendental number, it continues infinitely with repetition or pattern. This year it was be perfectly represented on March 14th! If you're

Tags: math, constant, mathlete, epic-pi, national-pi-day

A neon Pi symbol. To help you celebrate pi day in style.

Tags: green-neon-sign, neon-sign, neon, march-14, 3-dot-14

Minimal clean and crisp

Tags: pi, puzzle, mathematics, numbers, vector

Celebrate the Awesomeness that is Pi with this Cool Pi Day T-shirt Design by Mudge Studios. Pi Day is celebrated March 14th, but every math lover, geek, nerd, Math Teacher, mathlete knows that Pi Day should be everyday.

Tags: geek, nerd, math, mathematics, mathematical

Live Free Pi Hard T-Shirt. Funny Pi Joke Shirt for nerds and math fans everywhere.

Funny Pi Polar Bear t-shirt featuring Polar Bear with Pi symbol sunglasses and an Einstein hairdo. Polar Bears are very intelligent and highly regarded as the Einsteins of the Bear Community. Cool Pi Day gear for math lovers with a sense of humor.

Tags: nerd, geek, geeky, polar-bear, pi

Celebrate PI Day with this awesome PI-Day design. 3.14!

Tags: math, back-to-school, school, students, science

@tripart

Tags: science, math, appliances, engineer-humor, funny-math

Have you ever seen PI in binary form?

Tags: 3.1416, funny, pop-culture-tshirt, march-14, geek

It only comes once every hundred years. Don't miss out on your chance to celebrate the party of the century.

Tags: pi, pi-day, 3-dot-14, march-14, pi-symbol

Pi is My Constant. Pi Day happens on March 14th. However, for the math geek, math nerd, math teacher, etc. Pi Mode is Always on and this Pi Day will be Epic as 3.14.15 9:26:53 only comes once every century! Pi Day Rules.

Tags: pi-day, pi-symbol, epic-pi-day, geek, nerd

The constant PI is so EPIC it is absolutely EPIC.

Tags: nerd, geek, geeky, pop-culture, epic-fail

This design Limited Edition, only available for purchase in few day. If you like this design please order now. If you want best design and best selling, click here: https://www.teepublic.com/user/bestsellers (#bestsellers) . Thanks you.

Tags: top-trend, most, best-seller, best-selling, new