**Pi Day Shirts**

Pi Day 2015 I Was There Shirts Always remember Pi Day 2015 3.14 15 9:26:53 with a little help of this I was there design! Pi Day gear for geeks, math teachers and mathematics enthusiast. |
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Happy Pi Day T-shirts Happy Pi Day with spiral blue digits of number pi. Great way for geeks and math teachers and enthusiasts to celebrate number pi and Pi Day. |
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Pi Shirts Round, blue number pi design with spiral digits of 3.1415... Great way for geeks and math teachers and enthusiasts to celebrate number pi and Pi Day. |
Happy Pi Day 3.14 Shirts Happy Pi Day 3.14 with blue pi symbols making a lovely decorative circle. Great way for geeks and math teachers and enthusiasts to celebrate number pi and Pi Day. |
Happy Pi Day 3.14 15 Shirts Happy Pi Day 3.14 15 - March 14th 2015. Great way for geeks and math teachers and enthusiasts to celebrate number pi and Pi Day. |
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Never Trust an Atom Funny Physics Shirts Never trust an atom. They make up everything. Funny shirts for physics students and teachers and other science fans. |
Funny Irrational Number Pi Shirts Who are you calling irrational number pi. Funny number pi math humor merchandise for geeks, science teachers and math students. Great on Pi Day and any other day. With an angry eyes pi cartoon. |
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Who Are You Calling Irrational Number Pi Shirts Who are you calling irrational number pi. Funny math humor merchandise for geeks, science teachers and math students. |
Octo Pi Shirts Octo pi shirts with a pi symbol and octopi - octopus illustration. Funny pi gear for math geeks and clever kids. |
Every Day Is Pi Day Tees Every day is Pi Day merchandise. Great science gear for math lovers who would celebrate Pi Day on any day of the year, not just March 14th. |
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On Pi Day i 8 Sum Pi Shirts On Pi Day i 8 sum pi gifts for math geeks and science teachers and students. Funny Pi Day humor. Reads as on pi day I ate some pie. |
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I 8 Sum Pi Shirts I 8 sum pi funny gifts for math and science geeks, students and teachers. Funny Pi Day humor for smart people. Reads as I ate some pie. |
Happy Pi Day Shirts Happy Pi Day gifts for math teachers and science enthusiasts who celebrate Pi Day. |
Cute Pink Pi Shirts Cute pink pi merchandise for math and science teachers, students and general geeks and fans of the number pi and Pi Day. |
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Apple Pie Pi Shirts Apple pie with the pi symbol. Great gift for a math teacher, a geek or a science enthusiast. |
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Pi Day 3.14 St Pats Day 3.17 Shirts Celebrate both Pi Day on March 14 and St Patrick's Day on March 17 with one item. Great way to show that geeks love to have fun, too. |
Pi Day St Patricks Day Shirts Pi Day (March 14th 3.14) and St Patrick's Day (March 17th 3.17) merchandise. Mix two of cool March celebrations into one. |
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Euler's Identity Shirts What part of Euler's equation don't you understand? Math humor, perfect for a math student or a math teacher. |
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Pi Shirts Pi gifts decorated with digits of pi. Great for math teachers, students and anyone who wants to celebrate Pi Day. |
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I Love Pi T Shirt I love pi t shirts and pi merchandise make perfect geek shirts and gifts for math students and teachers. |
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Physics Shirts The physics is theoretical, but the fun is real. Physics merchandise for science teachers, students and physics geeks. |
Peace Love Math Shirts Peace love math shirts and cute gifts for math students and geeks. Design made of a peace sign, a heart and a pi symbol. |
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Peace Love Math T-shirts Peace love math t-shirts. Cute Pi merch for math teachers, students and geeks of all kinds. |
Pi Day 2015 Shirt 3.14 2015 Happy Pi Day Shirt and Pi Day merchandise collection. Cool Pi Day clothing for math students, teachers and other Pi geeks. |
Cutie Pie Pi Shirts Cutie pie pi gifts decorated with a girly pink pi sign with kawaii eyes and smile. |
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Pi Day T-shirt Trendy Happy Pi Day t-shirts, Pi Day buttons and other cool Pi Day accessories. Cool looking Happy Pi Day logo makes our merch great for students and young Pi fans. |
Green Pi Day 2015 Buttons Happy Pi Day buttons and merchandise - 3.14 2015. Celebrate Pi Day on March 14th with these cute Pi Day buttons that would make great Pi party favors. |
Pi Day Shirts Cute Pi shirts, Pi buttons and other trendy Pi merchandise. Would make a nice gift for a Pi geek, math teacher, mathematics student and all who enjoy and celebrate number Pi. |
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Sparkly Pi Shirts Sparkly pi gifts for math teachers, students and science geeks. Made to resemble a sparkly bedazzled design. |
Happy Pi Day Shirts Happy Pi Day shirts, Pi Day buttons and Pi Day merchandise. Clever gift idea for a Pi geek, math teacher, students and all who enjoy and celebrate Pi Day. |
Pi Button Trendy artistic pi buttons and pi home decor. Great gift for a math teacher, math student and any geek or nerd you know. |
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Binary Pi Shirts Binary Pi merch. Great Pi day merchandise for math and science students, teachers and geeks. |
Pi Merchandise Pi merchandise decorated with a number pi illustration. Graphic pi merch for math geeks, students and teachers. |
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Time-traveling Higgs Bosons Made Me Do It Shirts Time traveling Higgs Bosons made me do it shirt and merchandise collection. |
Peace Love Science Shirts Peace love science t-shirts and peace love science merchandise. Cute gift for a science teacher, chemistry students and science geeks. |
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Geek 4 Letter Word 6 Figure Income T Shirts Geek t shirts and funny geek merchandise featuring a funny geek slogan. Geek: 4 letter word, 6 figure income. |
Happy Pi Day Button Happy Pi Day button and merchandise set. Great pi buttons for a math, algebra or geometry teacher to hand out to students on March 14. Math geek could hand them out to fellow geeks. |
Happy Pi Day Badge Celebrate Pi Day with our cool Pi Day caps, Pi Day buttons and other cool Pi Day merch. |
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Funny Pi T-shirt Funny pi shirts and pi day merchandise. A slice of pi with a graphic made of digits of number pi arranged to look like a slice of pie. Great pi day humor for math geeks, math teachers and students. |
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Angel Pi T-shirts Winged pi t-shirts and pi gifts for mathematicians. Great Pi day gear for math students, teachers and all pi geeks. |
Shamrock Pi Shirts Shamrock pi t-shirts and cute Irish themed Pi merchandise. Great for an Irish math geek. Nice way to bring together St Patrick's Day and Pi Day. |
Shamrock Pi Day T-shirts Happy Pi Day t-shirts and Shamrock Pi Day merchandise. Decorative Pi is made of Irish clovers aka shamrocks. |
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Pi Day Vampire Shirt Pi day vampire shirts and Pi Day merchandise for vampire fans. Combine your geek love for math with your passion for fantasy with this funny vampire pi merch. |
3.14 Backwards Is PIE Shirts 3.14 backwards is PIE merchandise for math geeks featuring a funny pi trivia. |
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Got DNA T-shirts Biology t-shirt featuring a got dna? design illustrated with a double helix and inspired by genetics science. |
Peace Love Genetics T-shirts Peace, love and genetics t-shirts and gifts featuring a double helix DNA illustration. Great science merch for genetics geeks. |
Peace Love Science T-shirts Peace, love and science t-shirts and gifts featuring a double helix DNA illustration. Great science merch for science geeks. |
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Smart Is the New Sexy T Shirt Smart is the new sexy t shirts and funny merchandise for geeks, nerds and all super smart and sexy people. |
got Higgs? T Shirts Got Higgs t-shirts and parody merchandise for anyone who is excited about the search for the Higgs boson. Great gift for a physicist and other fans of physics and science. |
Peace Love Linux T-shirts Peace love Linux t-shirt and merchandise. Great gear for a Linux geek or a hacker. |
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Happy Pi Day Buttons Happy Pi Day buttons, t-shirts, magnets and more great merchandise made to celebrate the Pi Day. |
Hip Hop Tux T-shirts Hip hop Tux t-shirt and Tux merchandise collection. Funny Tux shirts make perfect gift for a Linux geek or a penguin lover who is into music. |
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Happy Pi Day Shirts Happy Pi Day shirts and merchandise make a great gift for a math geek and cool gear for a proud algebra and calculus geeks to wear in celebration of the Pi Day. |
Happy Pi Day T-shirts Happy Pi Day t-shirts, happy Pi Day buttons and other Pi Day merchandise. Every self respecting math geek needs to celebrate the Pi Day and our Pi t-shirts are the perfect gear for the celebration. |
Pi Shirts Pi shirts and pi merchandise for math geeks, calculus geeks, algebra geeks and other mathematics loving nerds. Great geek gear to wear on Pi Day. |
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Cherry Pi T-shirts Pi t-shirts and pi accessories featuring a pi logo in the color of a ripe cherry. Cool pi merchandise - a perfect gift for a math geek and great gear for the Pi Day celebration. |
Pink Pi T-shirt Pink pi t-shirt and girly pi merchandise collection featuring a distressed pink pi logo. Great geek gear for math geeks, mathematics teachers and algebra and calculus geeks. |
Pi T-shirt Celebrate Pi Day with this cool Pi Day t-shirt and merchandise design. Great pi tee shirts and merch for a math geek and any other fan of calculus and algebra. |
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Tux T-shirt Every self respecting geek needs a Tux t-shirt or at least a Tux button. Great geek chic gear for Linux users. |