T-shirts Featuring Pi

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Pi Spiral T-shirt in Black $16.95 Unisex 100% cotton T-shirt, with red pi symbol over a spiral of white digits of pi, in black. Please specify size on the shopping cart page: we currently have S, M, L, XL, and 2XL. Click on the T-shirt image to see a large image of the shirt.	Pi Spiral T-shirt in Pink $16.95 Unisex 100% cotton T-shirt, with red pi symbol over a spiral of black digits of pi, in pink. Please specify size on the shopping cart page: we currently have M, L, XL, or 2XL, or youth sizes YS or YXS (youth extra small). Click on the T-shirt image to see a large image of the shirt.	Pi Spiral T-shirt in Purple $16.95 Unisex 100% cotton T-shirt, with red pi symbol over a spiral of white digits of pi, in purple. Please specify size on the shopping cart page: we currently have S, M, L, XL, and 2XL. Click on the T-shirt image to see a large image of the shirt.	Pi Spiral T-shirt in White $16.95 Unisex 100% cotton T-shirt, with red pi symbol over a spiral of black digits of pi, in white. Please specify size on the shopping cart page: we currently have S, M, L, and XL. Click on the T-shirt image to see a large image of the shirt.
Pi Symbol and Circles T in Black $16.95 Unisex 100% cotton T-shirt, with orange pi symbols filling a large circle and white circles filling a large pi symbol, in black. Please specify size on the shopping cart page: we currently have S, M, L, XL, and XXL. Click on the T-shirt image to see a large image of the shirt.	Pi Symbol and Circles T in Red $16.95 Unisex 100% cotton T-shirt, with black pi symbols filling a large circle and white circles filling a large pi symbol, in red. Please specify size on the shopping cart page: we currently have S, M, L, XL, and XXL. Click on the T-shirt image to see a large image of the shirt.	Pi Symbol and Circles T in Ice Grey $16.95 Unisex 100% cotton T-shirt, with black pi symbols filling a large circle and white circles filling a large pi symbol, in ice grey. Please specify size on the shopping cart page: S, M, L, and XL. Click on the T-shirt image to see a large image of the shirt.