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It turns out, your school teacher was right. You need math on a regular basis. While most people won't typically have need of orthogonal trajectories, here are some of the most vital math shortcuts ...

Math shouldn’t be harder than finding the last matching sock in your laundry. These clever shortcuts convert head-scratching problems into quick mental wins. You’ll conquer calculations faster than ...

“Laziness is our saving grace,” writes mathematician Du Sautoy (The Creativity Code) in this accessible look at thousands of years of mathematical shortcuts. Focusing on 10 different shortcuts, Du ...