Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Charlene Rhinehart is a CPA , CFE, chair of ...

Daniel Jassy, CFA, is an Investopedia Academy instructor and the founder of SPYderCRusher Research. He contributes to Excel and Algorithmic Trading. Dr. JeFreda R. Brown is a financial consultant, ...

Annuities represent a loan or investment which offer monthly fixed payments until the account is depleted or paid off. Whether you are investing or borrowing money does not change the calculation. As ...

Calculating data fluctuations-- also called variance -- is a multi-step process that requires total accuracy. Excel 2010 provides two basic formulas for calculating fluctuations, depending on whether ...

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 found yourself scrambling to find out which products are running low or when your next shipment is due? Managing inventory can be a daunting task, especially if you’re relying on ...

If you are using Microsoft Excel to manage numerical data, at some point you're inevitably going to display percentages. Doing so can give you a new insight, or make summarizing heaps of data a bit ...

Microsoft Excel is one of the most popular tools out there for number-crunching. However, there are a plethora of other ways ...