## Pi by the Numbers

Pi by the Numbers. When performing those really long and complicated calculations it is important to always have a handy reference for what Pi really is. Any decent mathematician or math geek should have this shirt ready to use in just such an emmergency.

You Are Here: Gifts for a Geek Home / Math Geek / Pi by the Numbers

## Juniors' T-shirts and Clothing

## Just for Women T-shirts and Clothing

## Men's and Women's T-shirts and Clothing

## Just for Men T-Shirts and Clothing

## Kids' T-shirts and Clothing

## Stickers, Buttons and Fun

## Home and Office

## Hats and Bags

## Prints and Stationery

## What's Your Geek?

- Retro Gamer Geek
- Book Geek
- Computer Geek
- Math Geek
- Physics Geek
- Chemistry Geek
- Comic Book Geek
- TV Geek
- Zombie Geek
- Earth Sciences Geek
- Geek Costumes
- Biology Geek

## Follow us on Twitter

Follow us on twitter to for our latest new and releases

## More Great Gift Sites

## Popular Math Geek Gifts

$24.00

Raspberry Pi 1 T-Shirt

$22.99

Statistical Physics (Women's Dark)

$34.99

Fibonacci Spiral Necklaces

$15.99

Light T-Shirt

$25.99

Organic Women's Fitted T-Shirt (dark)

$19.89

Real Shit Organic Toddler T-Shirt

$12.99

Pi to 1001 Digits Mug

$29.99

Funny Irrational Pi Maternity Dark T-Shirt

$24.99

Come to the math side Women's Dark T-Shirt

$21.99

How's My Deriving? Green T-Shirt