The mathematically inclined geek will appreciate this graphic expression of Pi as the number 3.1415926... wrapped in the shape of the mathematical symbol for Pi!

Pi is a mathematical constant which represents the ratio of any circle's circumference to it's diameter. When a circle's diameter is 1, it's circumference is Pi!

This t-shirt is black in colour and features the most revered mathematical constant in the known universe!

Have fun memorising!

Available in:

Small - Chest: 95cm | Length: 66cm
Medium - Chest: 100cm | Length: 67cm
Large - Chest: 110cm | Length: 69cm

Select your size using the drop down menu to the right.

SKU GKS03
Brand SimplyCool
Product Box Weight 0.270kg
Related Categories Cool T-Shirts Geek Gifts Geek Gadgets & Gadgets for Geeks Black Gifts
Peter and Anne-Maree
Hello from Peter & Anne-Maree

CoolThings Australia is a Australian family owned & operated small business located in Launceston, Tasmania.

The CoolThings Australia mission is to help you be the coolest gift giver in your family and circle of friends.

You know the feeling you get when you give a gift and the response is "That's so cool!" - that is what its all about!

CoolThings Australia was started in 2003 by Peter and Anne-Maree and is still led by them to this day. Their purpose in business is to be givers themselves and they support multiple charities and organisations close to their hearts locally, nationally and internationally.

Both Peter and Anne-Maree and their team of cool gift-o-l-o-gists thankyou for your support and are looking forward to serving you today!

Geeks Pi T-Shirt Reviews

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(5) Anonymous - Verified Customer

As with past orders, I find dealing with CoolThings Australia "a high quality experience". Easy and effortless online shopping. A lot of truly unique gifts on offer. Good communication with this Seller. Ordered product delivered on time and in excellent, well-packed condition. More power to CoolThings Australia! E.M.Wickett Perth...

(5) Melissa - Verified Customer

Excellent, first rate quality products! Fast delivery. I bought some "Cool Things" for my grandchildren for Christmas, and they definitely won't be disappointed! Highly recommend A++++...

(5) Caroline - Verified Customer

Exactly what I wanted and it came quickly ...

(5) Dot - Verified Customer

I bought some cat themed goodies for a coming event. Very happy with them. Easy ordering, quick shipping, highly recommend ...

(5) Barbara Clapperton - Verified Customer

Was so excited when my parcel arrived (in great time) today. Purchased a couple of Dr. Who items, a Penguin Robot and Fitzroy's Storm Glass. All look amazing and can't wait to gift them. Will definitely check back into Coolthings with Christmas fast approaching....

(5) Deb Hunt - Verified Customer

Loved that i could buy a very different gift which you can't get in many shops. Happy to recommend ...

(5) Renee - Verified Customer

I purchased astronaut food and a prank golf ball for my 15 year old son, as stocking fillers for Christmas. Amazing. They arrived quick. Well packaged. And I know my son will love them. I hope I get to try some of the astronaut food. I have never seen that before. If not... I will be placing an order after Christmas for more. ...

(5) Sherril g - Verified Customer

Love the size and how it works...

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