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 ...

The interquartile mean is a measure of central tendency. While all values in a data set are used to calculate the mean, only the interquartile range -- the central portion of a data set -- is used to ...

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, ...

Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Getty Images / juststock The forward ...

While it's not as easy as tapping a few keys on a calculator, you can use Microsoft Excel to perform simple math, such as multiplying numbers. In order to do this, you'll need to learn Excel's ...

How to calculate conditional running totals in an Excel revenue sheet Your email has been sent Adding a running total to a simple Microsoft Excel revenue sheet isn't difficult, but adding 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 ...