Irrational Merch

"Outstanding Citizens" - Series

The famous symbol Pi, colored in blue with some of its numbers in the background. A good option for gifting mathematicians.

Pi to 98 decimal places

Pi to 98 decimal places

Summer beach reading for the philosopher.

Pi Day T-Shirt | Pi Tee | Math Nerd Geek | Be Irrational

Pi number. Nice gift. Good idea to buy this design.

Pi-RATE

Love Is Like Pi Real Irrational Never Ending

This cool pun math Pi Day Tshirt makes a great gift idea for engineer, Student, physician and math teacher, Dad, Mom, Geeks, Nerdy Teens, Boys, Ladies, Youth, Girls, husband, wife, teacher, student, friend or anyone who loves science jokes or math humor.

Pi number. Nice gift. Good idea to buy this design.

"They call me pi because I'm irrational and don't know when to stop"

Fighting Pirish Pi Day Symbol features feisty Pi Symbol with Dukes Up for Irrational Pi Day lovers of all ages. Our Pi Day Swag makes a great gift idea for math teachers, math nerds, geeks, math students and lovers of all things mathmatical.

This mathematical quip is sure to get a chuckle from any aspiring genius. "They Call Me Pi because I'm irrational & don't know how to stop".

MY PARANOIA HAS PARANOIA

Isn't it time we had a sensible tragedy?

This Pi Day design features a circle with a humorous math-related pun. Celebrate the mathematical constant pi with this fun and unique design!

Lets Get Irrational, its Pi day!

You Wanna Piece of This Pi Day features feisty Pi Symbol with dukes up for Irrational Pi Day lovers of all ages. Our Pi Day Swag makes a great gift idea for math teachers, math nerds, geeks, math students and lovers of of all thing mathmatical.

Irrational But Wellrounded Pi Day 314 Math Teacher Student

You Don't Hate Monday, You Just Hate

Digits of Pi, Pi Day Math gifts

Digits of Pi, Pi Day Math gifts

It is a popular epithet that implies a degree of hypocrisy, and it is closely related to the concept of the liberal elite

Pi Approximation Day! Twenty Second of July, Pi Approximation Day, 22 divided by 7 equals approximately 3.14. Fascinating smart people for a long time. Good choice for anybody with interest in mathematics, sciences, engineering, history, etc. Black version.

This mathematical quip is sure to get a chuckle from any aspiring genius. "They Call Me Pi because I'm irrational & don't know how to stop".

This mathematical quip is sure to get a chuckle from any aspiring genius. "They Call Me Pi because I'm irrational & don't know how to stop".

This mathematical quip is sure to get a chuckle from any aspiring genius. "They Call Me Pi because I'm irrational & don't know how to stop".

A large black and red representation of the math symbol Pi, an irrational number used in mathematics, science and physics. The symbol comes from the Greek alphabet. A nerd enjoys March 14, pi day.

Doing maths can be hard. But with this shirt, it's still math

Doing maths can be hard, but with this shirt, it's still math.

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Black pi on a red circle

Be Rational, Get Real

Irrational Fear

This is the art from one of our dream casts where we get really personal and pitch our ideas to make our most irrational fears into a horror movie. Caleb's fear of cats, Rose's fear of popsicle sticks, and our guest Bronson's fear of whales.