From the developer: "LAB Fit Curve Fitting Software performs linear and nonlinear regression, graph 2D/3D, error propagation, basic statistics and math calculations. LabFit fits linear, polynomial, exponential, logistic and general nonlinear functions. It performs calculations of error propagation, basic statistics and other tools. Nonlinear regression, non-linear regression, linear regression, x uncertainties, y incertainties, multiple regression,nonlinear functions, Levenberg-Marquardt, matrix covariance, logistic regression, transfer of uncertainties, uncertainties band, shareware, extrapolation, chi-square, Chi Square, mean, standard deviation, reduced chi square, curve fit, data plotting, statistics, statistical, correlation, covariance, correlate Treatment of data, curve fitting software (nonlinear regression, least square), errors bars, confidence band, graph 2D and 3D, multivariate, basic statistics, error propagation, roots (functions)."