The number Pi represents the relationship between a circle’s diameter (its width) and its circumference (the distance around the circle).  It is one of the most important and fascinating mathematical and physical constants found in mathematics, science and engineering. One of the reasons for this is that it is an irrational number--consequently, its decimal representation never ends or repeats.  Throughout history, scholars have been fascinated with studying Pi and understanding its nature, and this has carried over into popular culture as well.  The U.S. House of Representatives declared March 14th to be National Pi Day in celebration of Pi and in encouraging more funding and research to be devoted to math and science programs for students. Many universities around the world celebrate Pi Day by having events devoted to educating the public about Pi and eating pies and pizza pies. 

This T-shirt is a PhysLink.com/Xump.com exclusive, celebrating the wonders of Pi. The shirt features the mathematical constant Pi to 100 decimal places. Get yours now for Pi Day and impress your friends!

This high quality Gildan Ultra Cotton Heavy Weight 6.1 oz T-shirt is 100% cotton and preshrunk. You will be amazed by the abundance of compliments you will receive while you sport your very own Pi T-shirt. Comes in Kids sizes only.

Customer Reviews

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  P Day
Nick from Flemington,NJ
A Good quality Tee.I bought it for my grand-daughters to inspire their interest in math.


  kids pi t shirt
Undisclosed Verified Buyer
fantastic


  Teacher
Edna from Turlock, CA
Awesome for Pi Day!!


  Pi T-shirt
Wendy from NH
I purchased two Pi T-shirts for my two nephews (11 & 8). They absolutely loved the shirts. In fact, I received a "Happy Pi Day" e-card from the boys on 3/14. Great idea and I am so glad I get the xUmp emails that notify me of these really cool items.


  retired
Fred from Chas. SC
Really like the shirt. I'd give it a 5 but have not washed it yet.


  Bookkeeper
Undisclosed Verified Buyer
The shirts are great. Wish they came in larger sizes, XXL, etc.


  nice heavy T-shirt
Katherine from Michigan
Very nice weighty T shirt. Not thin and cheaply made


  Too Cool
Steve Cpherd from USA West Hollywood, CA
This stuff for geeks is just what we talk about face to face.


   CCD from Pittsburgh, PA
My kids LOVE to wear this shirt on March 14 each year!