Pi Secret Of The Universe Math Science Crewneck Sweatshirts

A funny drawing of a pepperoni pizza pie, sliced and ready to eat, with text 3.14 Pi Day. This design is for the pizza lover to celebrate Pi Day 3.14. Enjoy a pizza slice or two on March 14, known as Pi Day. Get the joke, or are you just hungry?

My PIN is the last 4 digits of pi funny nerd math

My PIN is the last 4 digits of pi funny nerd math

The number π is a mathematical constant. It is defined as the ratio of a circle's circumference to its diameter, and it also has various equivalent definitions.

The number π is a mathematical constant. It is defined as the ratio of a circle's circumference to its diameter, and it also has various equivalent definitions.

A funny drawing of a pepperoni pizza pie, sliced and ready to eat, for the pizza lover to celebrate Pi Day 3.14. Enjoy a pizza slice or two on March 14, known as Pi Day. Get the joke, or just hungry?

A funny drawing of a pizza pie, topped with the pi symbol and sliced for the pizza lover to celebrate Pi Day 3.14. Enjoy a pizza slice on March 14th, known as Pi Day. For math fans and foodies.

This design is just one of many that we pride ourselves in having as a part of the best Christmas, graduation, anniversary, birthday, and general holiday gifts to choose from for your family and friends!

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Celebrate the never-ending awesomeness of mathematical humor with our 'Pi Day' tee, part of our quirky 'Day' series. This cool and hipster shirt embraces the simplicity and excitement of special days, reminding everyone that March 14th is not just any day—it's Pi Day! Here's an interesting fact: The first Pi Day celebration was organized by physicist Larry Shaw in 1988 at the San Francisco Exploratorium, and it has since become a worldwide celebration of the mathematical constant π (pi).

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A minimalistic design depicting half of the moon, and suggesting that what seems far and unattainable is actually close.

Image representing the mysterious dark matter. This image is perfect for lovers of the mysteries of our universe. Ideal as a gift for scientists, mathematicians, physicists, esoteric and lovers of sacred knowledge and mystery. Perfect as a gift for friends, colleagues and truly unique beings.

Image that represents the idea of the Dark matter of the universe. This image is perfect for mathematicians, astronomers, physicists, astrophysicists, and lovers of the mysteries of the universe. Ideal as a gift to science professionals, friends, colleagues and unique people.

Image representing the mysterious dark matter. This image is perfect for lovers of the mysteries of our universe. Ideal as a gift for scientists, mathematicians, physicists, esoteric and lovers of sacred knowledge and mystery. Perfect as a gift for friends, colleagues and truly unique beings.