<HTML><HTML>In a message dated 5/14/2006 1:23:45 PM Central Standard Time, rnossaman@cox.net writes: <BLOCKQUOTE TYPE=CITE style="BORDER-LEFT: #0000ff 2px solid; MARGIN-LEFT: 5px; MARGIN-RIGHT: 0px; PADDING-LEFT: 5px">Excel has a trendline feature in it's charting system, to visually smooth the data. Does anyone know a way to get the set of smoothed data point values BACK from the second degree polynomial trendline routine, or how to use the trendline's Y and R^2 formulas to reconstruct the smoothed set in a column? </BLOCKQUOTE> Try David Carpenter; he's a wiz with Excel. Paul</HTML>