March 14, 2011

Math rocks and so can you. Today everyone is a nerd!

  

(4πr²)% Off Where r = 1; Math rocks and so can you. Today everyone is a nerd!
USE CODE: 314159265358Create NowShop Now

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12.56% of the Zazzle product net sale price will be deducted when one or more qualifying products are purchased and the coupon code 314159265358 is applied at checkout. For most products, the net sale price is the price of the product (excluding shipping and taxes). For Zazzle Custom Stamps, the net sale price is the difference between the price of the Zazzle Custom Stamps (excluding shipping and taxes) and the face value of the postage. Offer is valid from March 14, 2011 at 12:01am PT through March 14, 2011 at 11:59pm PT. This promotional offer may not combine with any other Zazzle promotional or volume discount offers. If a volume discount applies to your order, you will receive either the discount set forth in this offer or the standard volume discount, whichever is greater. Offer valid on Zazzle.com only.