Dave, Dean, others; Sorry bout that . Excell and other programs using math here in Norway require use of comma instead of period to denote the decimal point. I will endeavour in the future to <<americanize>> all of these. :) As for where this is going.... just an excursion into some downbearing facts. When I get done with the spreadsheet I'll share it with ya'll Cheers RicB ................ Ric, You are confusing us Yanks by interchanging commas and periods for decimal points! ;-) Dean
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