400 Digits of Pi : Grey Matters Online Store

Grey Matters Online Store : Memory & Mnemonics : 400 Digits of Pi

For those who have learned and practiced the 400-Digits-of-Pi feat from Train Your Brain and Entertain, you'll find a wide selection of items here which will allow you to demonstrate your knowledge of Pi!

Pi Chart Women's Clothes
As requested, here is a shirt with just the Pi Chart alone and on the front! Ladies, be proud and display your geekiness up front!

Pi Chart Men's Clothes
As requested, here is a shirt with just the Pi Chart alone and on the front! Be proud and display your geekiness up front!

Pi Challenge Women's Clothes
What better way to get people to respect you for your mind than to meet the 400-Digit Pi Challenge?

Pi Challenge Men's Clothes
Guys, you may have shirts that show off your brawn, but how many do you have that show off your brain?

"Lousy" Pi Women's Clothes
Are the Pi Challenge shirts too confrontational for your style? Present the challenge in good humor in these smart (literally!) women's T-shirts.

"Lousy" Pi Men's Clothes
Are the Pi Challenge shirts too confrontational for your style? Present the challenge in good humor in these smart (literally!) men's T-shirts.

"Too Many Digits of Pi" Women's Clothes
You know you've memorized too many digit of Pi when you not only have no life, but you can prove it mathematically!

"Too Many Digits of Pi" Men's Clothes
You know you've memorized too many digits of Pi when you not only have no life, but you can prove it mathematically!

Souvenirs
After demonstrating your mastery of Pi, why not leave them with a souvenir to help remember the experience?

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