How to calculate Standard Deviation in Excel The Standard Deviation is a term used in statistics. The term describes how much the numbers if a set of data vary from the mean.

Understand the basics of the debt-to-equity ratio, how to interpret it as a measure of financial stability, and how to calculate it in Microsoft Excel.

Excel and Google Sheets have three functions to calculate the internal rate of return: IRR, XIRR, and MIRR. Learn how these functions can calculate investment returns.

Percentages aren't always easy to calculate, but one of the best tools in Excel's toolbox is calculating percentages for you. Here's how to do it.