Hi Richard, Friday, September 22, 2006, 4:23:30 PM, you wrote: RFLRS> OffsetRt( a, x ) = sqrt( a^2 + x ) - a RFLRS> I am trying to implement this as a Java function Offset = math.pow((a*a + x), 0.5) - a ? -- Best regards, Richard in the UK _______________________________________________ ATM mailing list http://www.atmlist.net/