This guide was reviewed by a Business News Daily editor to ensure it provides comprehensive and accurate information to aid your buying decision. Creating a running total (or a cumulative sum, as it ...

Have you ever stared at a spreadsheet, struggling to make sense of percentage calculations that just don’t seem to add up? Whether it’s a confusing formula, a misstep with zero values, or an ...

Have you ever found yourself wrestling with Excel formulas, trying to calculate moving averages or rolling totals, only to end up frustrated by the constant need for manual adjustments? You’re not ...

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 ...

Daniel Jassy, CFA, is an Investopedia Academy instructor and the founder of SPYderCRusher Research. He contributes to Excel and Algorithmic Trading. Robert Kelly is managing director of XTS Energy LLC ...

Net Present Value (NPV) is a popular financial metric that investors and businesses use to determine the value of an investment or project by taking into account its expected cash flows, the discount ...

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 helps us to do simple and complex calculations easily. If there is a list of numbers, it is straightforward to find their SUM. But sometimes, we encounter a situation where the numbers ...

How to calculate a conditional running total using a PivotTable in Excel Your email has been sent An expression to return a simple running total in Excel is easy — a few references and you’re done. A ...

As a child of the dark ages, I used the word rank to describe something that smelled rotten or suspicious. Rank in Microsoft Excel is, thankfully, totally different. In Excel, rank is a value that ...