_age

Returns a number by subtracting "timestamp_expression" from today's date.

Syntax

_age ( timestamp_expression )

Example

_age ([Query1].[Date]), where [Query1].[Date] is March 2, 2004, and 
today is July 8, 2009

Result

50,406, where 5 is the number of years, 04 is the number of months, and 06 is the number of days.