Claus Busch ha spiegato il 23/01/2014 :

like Martin wrote:
You have to set calculation mode to "Manual" and then for changing the
word in G3 press F9


Regards
Claus B.
Uh-Oh, I've completely missed this step!
I think because I was feeling that all was working fine!
I've just done it and... ALL WORKS FINE!
:))))))))))))))))))))))))))))))))))))))))))
Many many many thanks Martin and Claus!