Jewelry: Pi r Squared Brass Necklace By Geek on 09/13/2011 in Jewelry, Math Hello there! If you are new here, you might want to subscribe to the RSS feed for updates on this topic. A simple necklace for mathematicians. By Sandrandan via Etsy. Related PostsCrafts: Everyday Things in PaperPicture: Hip Hop Storm TrooperRemembering 9/11 Share this:EmailTwitterFacebookPinterestTumblrGoogle
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