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Excel add-in with eleven powerful worksheet functions for 1, 2, and 3 variable lookup and interpolation. Interpolation modes include: closest-value, linear, piecewise parabolic or hyperbolic, cubic spline and polynomial up to 20th order. The functions can also handle tables containing missing and invalid data. Includes functions to fit polynomial curves through a set of X-Y data points and return a table of polynomial curve coefficients, as well as, determine the best fit polynomial curve. In case of an error, TriLookup functions can either return a standard Excel error code or a detailed text error message, indicating the nature of the error and pointing to the cause of it. Includes detailed online help and example workbooks. Also available for Macintosh.
Price USD20
License Free to try
File Size 1.02 MB
Version 2.2
Operating System Windows 98 Windows Me Windows XP Windows NT Windows 2000 Windows 95 Windows
System Requirements Windows 95/98/Me/NT/2000/XP, Microsoft Excel 97/2000/XP/2003
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