YEARFRAC « Date Time functions « Microsoft Office Excel 2007 Tutorial

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15.19.YEARFRAC
	15.19.1.	YEARFRAC(start_date,end_date,basis) returns the year fraction representing the number of whole days between start_date and end_date
	15.19.2.	Use the YEARFRAC function to calculate the number of years between two dates.
	15.19.3.	Return the age of the person whose date of birth you enter into cell A1

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