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 ...

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 ...

As a spreadsheet software program, Microsoft Excel has many useful features for a small business's productivity. Chief among these is the ability to use formulas to make various calculations with the ...

In this post, we will show you how to calculate the expiry date in Microsoft Excel. Calculating expiry dates is a common requirement when working with Excel, especially for tracking inventory, ...

The market price of a stock doesn't necessarily reflect its intrinsic value. Several economic theories use different approaches toward valuing companies, but one of the simplest involves calculations ...

Finding the exact difference between two dates in Excel may not be the most used feature, but it can be a lot of fun. A classic example is working out someone’s age. It’s not as complicated as it ...

Claire Boyte-White is the lead writer for NapkinFinance.com, co-author of I Am Net Worthy, and an Investopedia contributor. Claire's expertise lies in corporate finance & accounting, mutual funds, ...

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 ...

The forward price-to-earnings ratio (P/E) is a valuation metric that measures and compares a company's earnings using ...