Excel is a spreadsheet with a lot of power. The software can be used to track inventory, track and calculate payroll and a myriad of other calculations. An Excel formula is generally composed of ...

This post explains how to calculate Weighted Average in Excel with percentages. In a standard arithmetic average where the sum of values is divided by the number of values, each data value is treated ...

Microsoft Excel can be a powerful tool for large and small businesses alike. It is used to perform calculations, store and compile data, and create graphs based on that data. A variety of formulas are ...

Daniel Jassy, CFA, is an Investopedia Academy instructor and the founder of SPYderCRusher Research. He contributes to Excel and Algorithmic Trading. David Kindness is a Certified Public Accountant ...