Hi RPS,

This is not natively supported in Excel but see Laurent Longre's
FunCustomize Addin at:

http://longre.free.fr/english/

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Regards,
Norman



"RPS" wrote in message
...
When using an Excel function, the Fx button in the formula bar will
produce a
window which reveals the parameters and values of the function. At the
bottom of this there are provisions for help on the function. What can I
specify when writting a function which will pass help info through this
facility?