One of the many features of Excel is being nosy. That's right, you can quickly calculate a persons age as long as you have their birth date.

Calculating CAGR in Excel The math formula is the same as above: You need ending values, beginning values, and a length measured in years. Excel has a built-in formula, but it’s far from ideal.

In Microsoft Excel, you don’t need an expression to calculate someone’s age – use Power Query to simplify the process.

Microsoft Excel 2010 provides a formula for calculating the average value from multiple worksheets in a workbook. Before you apply this formula, check that each worksheet is formatted the same way.