Cotty and JCO, I managed to open it now. (You never should do certain things early on a Sunday morning.) Seems to be a very usefull calculator! Thanks! Peter
>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] > > >____________________________________ >Oh, swipe me! He paints with light! >http://www.macads.co.uk/snaps/ >____________________________________ >Free UK Macintosh Classified Ads at >http://www.macads.co.uk/ >____________________________________ Peter Smekal Uppsala, Sweden [EMAIL PROTECTED]

