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Zazzle photoenlargement created by The_Shirt_Yurt (January 4, 2017, 1:24 pm)
Product ID: 190766265033850603
Math puns.... the first certain sign of madness! Or sine. Get it? Maddening, huh? Grab the great geeky design for yourself or your favorite mathematically inclined dork, math teacher, or student.