See my response in Worksheet.Functions, but basically it is not possible.

--

HTH

Bob Phillips
... looking out across Poole Harbour to the Purbecks
(remove nothere from the email address if mailing direct)

"Jim" wrote in message
...
Hi
I'd like to view some of the built-in functions of Excel 2000. I'm
particularly interested to learn how the RANK function works as I want to
try and build something similar...
Anyone know how to look at the code of a built-in function??
Thanks.
Jim