This calculator finds the least-squares fit to a list of two-column data as a polynomial up to a specified order.

The size of input data is limited to 1024 points or less to converve system resources. The input format must be strictly followed to have a correct data parsing.

Inputs   Help
Numerical data only. Input data must have "," between columns and ";" between rows. [Space], [Tab], and [Enter] will be ignored.
Numerical Data:	-3.14159, -0.380816; -2.82743, 0.109693; -2.51327, 0.360918; -2.19911, 0.569689; -1.88496, 0.525525; -1.5708, 0.87512; -1.25664, 0.972466; -0.942478, 0.999701; -0.628319, 0.885151; -0.314159, 0.656742; 0., 0.321475; 0.314159, 0.43627; 0.628319, -0.00668838; 0.942478, -0.373375; 1.25664, -0.704287; 1.5708, -0.820481; 1.88496, -0.994633; 2.19911, -0.959258; 2.51327, -0.870441; 2.82743, -0.890364; 3.14159, -0.238559;
Fitting Function:	Fit above data using polynomial a0 + a1x + a2x2 + ... + anxn, where n = , ai (i = 0, 1,..., n) are constants to be determined.
Plot:	No plot Plot input data only Plot the best-fit curve only Plot both data and the best-fit curve
Output:	ASCII Typing ASCII Display Standard Display C / C++ Fortran Hand Write TeX