On Fri, 16 Feb 2007 05:53:08 -0800, Lina
wrote:

Yipe...this Excel stuff is beyond me! How come it works fine for every other
month except Feb.?


As you have copied the formula here, it is not clear to me why it works at all!

Did you actually do a COPY/PASTE from her worksheet to your newsgroup message?
If you did, then I don't know how it works at all. If you did not, then please
correct the transcription error.
--ron