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); ...

Even if you don't work with or around spreadsheets on a daily basis, you likely understand the basics: data (names, numbers, dates) are placed into cells and organized into rows and columns. Although ...

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 ...