Syntax: EOMONTH(S, M)
S = Start date, a date/time value
M = Months, an integer
Returns a date/time value representing the date M months after S, if M is positive, and M months before S, if M is negative. The date returned will be on the last day of the month.
EOMONTH(DATEVALUE(``7/7/93''), -24)= 33450 or 7/31/91
EOMONTH(DATEVALUE(``4/15/94''), 2)= 34515 or 6/30/94
Excel function: N/A