Sorry wrong formula for trumpets, check original thread for updated formula
Findlay234 - 16/8/06 at 10:13 PM
as titled.. sorry
ned - 17/8/06 at 07:27 AM
if you go to edit the post there is a delete check box 
Confused but excited. - 17/8/06 at 06:19 PM
Hi Findlay234,
Thanks for the heads up.