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Charm width: 1
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Math Formulas Coffee Mug Flags Charm width: 1A deep black ceramic mug covered with some of history's most famous and important mathematical formulas, making it a superb gift for any mathematician, physicist, or math teacher. You get gems such as Newton's Second Law, Planck's Equation, Hubble's Law, the Fourier Transform, and the mother of all equations, Einstein's General Theory of Relativity. 14 oz. Ceramic coffee cup with a comfortable handle. All of our mugs come in a beautifully designed,
