LAB Fit Curve Fitting Software

LAB Fit is a software for Windows developed for treatment and analysis of experimental data. At LAB Fit you are able to:
1) Treat similar data (grouped and ungrouped dataset, two samples);
2) Treat non-similar data;
3) Calculate probabilities for many distributions;  
4) Determine propagated error (error propagation, up to eight independent variables);
5) Plot graphs (2D and 3D) (normal, parametric, imported dataset, contour of maps);
6) Execute calculations: system of linear equations, roots of function, nonlinear equation, ordinary differential equation (ODE up to fifth order), system of ordinary differential equations (first order ODE, up to five equations), approached function for ODE solution, calculator, etc;
7) Curve Fitting (nonlinear regression, Levenberg-Marquardt algorithm -, almost 500 functions at the library with one and two independent variables, functions finder, option that let you write your own fitting function with up to 6 independent variables and 10 parameters).