Thanks!

Works just fine!


"Biff" wrote in message
...
The EOMONTH function requires that the Analysis ToolPak add-in be
installed.
If it's not you can use this:


=SUMPRODUCT(--(ROW(INDIRECT(A3&":"&DATE(YEAR(A3),MONTH(A3)+1,0)) )=A$1),--(R
OW(INDIRECT(A3&":"&DATE(YEAR(A3),MONTH(A3)+1,0)))< =B$1))

Biff

"Biff" wrote in message
...
Hi!

I would want it to break it down like this:

Feb 13
March 31
April 25

I get:

Feb 14
March 31
April 25

You have to include the year in your dates! How many years will this
span?

Here's how to do it for a calander year from Jan 1 to Dec 31:

A1 = start date 2/15/2005
B1 = end date 4/25/2005

A3 = 1/1/2005
A4 = formula copied down to A14:

=DATE(YEAR(A3),MONTH(A3)+1,1)

Enter this formula in B3 and copy down to B14:


=SUMPRODUCT(--(ROW(INDIRECT(A3&":"&EOMONTH(A3,0)))=A$1),--(ROW(INDIRECT(A3&
":"&EOMONTH(A3,0)))<=B$1))

Biff

"Rayco" wrote in message
...
Hi,

I've posted this twice, and there has been no reply. Either no one
knows
the answer, or no one understnads my question?

I am trying to calculate the occurrence of an activity during a given
month
within a period.

For example:

Let's say that Jan came to visit from Feb 15 to April 25.

How can I get Excel to calculate how many days she stayed during the
months
of Feb, March, and April?

I would want it to break it down like this:

Feb 13
March 31
April 25

Also, an add-on for calculating random dates.... where I can input
March
31
and April 10 and get the results:

March 1
April 10

I know that it can be done, since I ended up with a horrific formula
with
if's and then's for each month, that I had to repeat for each month
(column). However, it is very hard to work with.

Is there an easier way?

Thanks for your help!

Rayco