====== AddYears(date, add_years) ======
Category:  Date and Time function

\\ 
=====Description=====
This function adds //add_years// number of years to //date//.  If //add_years// is negative, the years are subtracted.

\\ 
=====Arguments=====
^Argument^Type^Description^
|date|Date or Number (date serial)|A expression representing a date.  The date to add years to.|
|add_years |Number |The number of years to be added to //date//, or subtracted if negative.|

**Return value type:** Number (date serial value).

\\ 
=====Remarks=====
The //date// argument can take any value or expression that evaluates to a date serial value, with or without a time portion.  Examples include:  
  * A date string:  #2019-12-12
  * A date serial value: 43811 (the date serial for "2019-12-12")
  * A date value created using any of the Date/Time functions that returns a date serial value.

\\ 
=====Examples=====

  addyears(#2019-12-12, 2)  //Returns 44542 (Equivalent to 2021-Dec-12.)

  addyears(43811, 5)  //Returns 45683 (Equivalent to 2024-Dec-12.)

  addyears(#2019-12-12, -2)  //Returns 43081 (Equivalent to 2017-Dec-12; subtract years.)


\\ 
===== See also =====
  * [[syntax:functions:addhours|AddHours(date, add_hours)]]
  * [[syntax:functions:addmonths|AddMonths(date, add_months)]]
  * [[https://msdn.microsoft.com/en-us/library/8kb3ddd4(v=vs.110).aspx|MSDN: Custom Date and Time Format Strings]]