Excel has over 475 formulas in its Functions Library, from simple mathematics to very complex statistical, logical, and engineering tasks such as IF statements (one of our perennial favorite stories); ...

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The relationship between a thin liquid film or drop of liquid and the shape of the surface that it wets is explained with a new simplified mathematical formula. Understanding the precise interaction ...

It’s humbling to realize that much of high-school math, so vexing to so many of us, was already well understood thousands of years ago. The Egyptians came nowhere near E=mc2, but they knew how to find ...