Pi Day Fun T-Shirts

Funny Pi-rate shirt design by Mudge Studios for those that celebrate Pi Day every day and more specifically honoring Pi Day on March 14th at 1:59 PM- that's 3.14159... Pi Day should never end. Featured is Pi as a swashbuckling pirate armed with eye patch, sword, peg leg and of course a parrot. Pi Rules!

International pi day.

Rainbow Pi The number π is a mathematical constant, approximately equal to 3.14159. It is defined in Euclidean geometry[a] as the ratio of a circle's circumference to its diameter, and also has various equivalent definitions. It appears in many formulas in all areas of mathematics and physics. The earliest known use of the Greek letter π to represent the ratio of a circle's circumference to its diameter was by the Welsh mathematician William Jones in 1706. It is also referred to as Archimedes's constant.

This design features a cute nerd character wearing glasses and a bowtie, holding a pie with numbers on it. Celebrate Pi Day with this fun and quirky design!

Mashup design for math and pizza lovers.

A simple National Pi Day design for the geeks and nerds who care.

Happy Pi Day! Copyright 2017 Kristen O'Keefe. All rights reserved. All images property of Kristen O'Keefe and are protected by copyright law. Resale, downloading, reproducing, printing, and comping of these images is illegal without permission of the artist.

Because who doesn't like the taste of retro...Pi?

How much is number Pi? Thinking monkey

The perfect equation for humor and mathematical wit! If you've got a soft spot for puns and a love for all things numerical, this design is the formula for laughter.

The perfect equation for humor and mathematical wit! If you've got a soft spot for puns and a love for all things numerical, this design is the formula for laughter.

=)

Irrational Fear

A cute and delicious graphic blueberry pie with a perfectly woven flakey crust.

Integration and differentiation