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  1. lvallieres44

    Polynomial curve fitting with EXCELL

    Hi, With 2 columns (X and Y) of data, I got from Excell 2003 the curve and the following equation : y = 23E-04X3 + 4E-05X2 - 3E-06X + 0,007 What E means ? Is it Sigma symbol? I am not familiar with this application. How can I use this formula to get Y values from any X input ? Thanks

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