All post on this are 10 years old or so (at least what I can find). 

I gotta be missing something like YearDiff(Date1, Date2).

I found this:   (((zoho.currentdate - input.DOB)) / (1000 * 60 * 60 * 24 * 365)).round(0)    it does not work correctly.

How would I calculate a person's age?