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 ...

Imagine investing in a promising project, only to realize years later that it’s taking far longer than expected to recoup your initial outlay. Wouldn’t it have been invaluable to know upfront how long ...

In your school life, you have learned about average and the method to calculate it. The formula to calculate the average is very simple. You just have to add all the values in the given data and ...

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 ...

Adding a running total to a simple Microsoft Excel revenue sheet isn’t difficult, but adding a conditional running total will require a bit more effort. Solutions are simpler than you might think. The ...

For years, I've relied on running totals in Microsoft Excel, but the traditional methods are fragile and unreliable. Since Microsoft introduced the SCAN function, I've switched to a brand-new approach ...

Complex formulas may look impressive, but readable logic, helper columns, and reusable functions create spreadsheets that ...

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, ...