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.

How to Calculate Fluctuations in Excel. Calculating data fluctuations-- also called variance -- is a multi-step process that requires total accuracy. Excel 2010 provides two basic formulas for ...

To calculate the age, the DATEDIF function, set to check year, determines the number of years between the date in the DOB cell and the current date.

Now, letâ s create another function where you need to calculate the age of your customer based on the date of birth included in the database.

Easy way to calculate time difference in Excel using simple logic. A simple formula to calculate difference between two dates & times in Excel.

Fortunately, Excel offers a built-in function, DATEDIF, which makes it easy to calculate elapsed calendar time.

Follow along in this step-by-step guide to learn how to easily calculate hours worked in Microsoft Excel.