Review on 15 oz. Coffee Mug with Famous Mathematical Formulas - Decodyne Math Mug by Deborah Lewis
Fun idea but don't use it to solve problems
Good idea but I think some of the equations are wrong. I believe that Newton's law of universal gravitation should be F = Gm1m2/r^2, the Fourier integral should be from negative infinity to positive infinity, and the integrand in the exponent should have a negative sign. Note to manufacturer: if you're going to sell something (especially to nerds like most people who bought it or were bought for) you'd better make sure it's correct.
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