It opened okay with my Mac, on which I have Office 98 Excel, but it requires JC's password for 'writing to' privileges or manipulating the data blocks - or - you can "Read Only" which only gives you an eyeball on what the spreadsheet looks like to JC. <g>
keith whaley Cotty wrote: > > Peter, > > It's a spreadsheet. It opened fine on my Mac using Microshaft Office. I > can't see why it shouldn't open in Appleworks, although it may need > translating first... > > Cotty > > Sorry, that couldn't be opened on my MAC. > > Peter > >>It's simple trig. I wrote an excel spreadsheet > >>to calculate the maximum (ideal) hood length > >>for a given filter thread, focal length, and hood > >>diameter. It's still posted at: > >> > >>http://jcoconnell.com/HOODCALC.XLS > >> > >>TRY IT ITS free!!! > >>jco > > > > > >Peter Smekal > >Uppsala, Sweden > >[EMAIL PROTECTED]