Read in a file of experimental data and fit it to some specified model.
Calculate and display plots of various results like the original data, fitted data, deviations between real and fitted data
Allow user to type in the equation to be fitted.
Give user a choice of equations to fit.
Fit several models with different numbers of parameters and calculate the AIC to compare the fits
AS FOR THE SET OF DATA .. any real data would be best, otherwise simulate it.