1)   LAB Fit Curve Fitting Software 7.2.30
Curve fitting (fit), nonlinear regression, treatment of data, basic statistics, error propagation, 2D and 3D graphs, confidence band, uncertainty, error bars, extrapolation, chi-square, correlation coefficient tests, covariance matrix, math tools.
Curve fitting, multiple regression, error propagation, non-linear, multivariate, 2D 3D graph, math tools, graph and plot digitizer (digitizing), ODE.,

 2)   CurvFit 5.11
a curve fitting program: Lorentzian, Sine, Exponential and Power series are available models to match your data. A Lorentzian series is recommended for real data especially for multiple peaked data.This is a Fortran Calculus demo application.
Curve fitting, data fitting, Math Modeling, Sine Series, Lorentzian Series, Exponential Series, Power Series, Equation Calculator, Fortran Calculus Programming, Fortran Calculus Language,

 3)   SimplexNumerica 8.0.1
2D/3D technical graphics plotting and data analysis software for your plotting needs. Curve fitting, FFT and a presentation software! Download a demo of our analysis and plotting software!
scientific, plotting, diagram, plot, numeric, charts, data logging, data analyzer, data presentation, data analysis,

 4)   NLREG 6.2
NLREG performs nonlinear regression and curve fitting. NLREG fits a mathematical function whose form you specify to a set of data values. Virtually any type of function can be fitted.
nonlinear regression, curve fitting, regression, modeling, surface fitting,

 5)   TriLookup Mac 2.2
Excel add-in with eleven powerful worksheet functions for 1, 2 and 3 variable lookup and interpolation (closest-value, linear, piecewise parabolic or hyperbolic, cubic spline) and polynomial curve fitting. Includes online help and example workbooks.
Excel add-in, spreadsheet, lookup, interpolation, curve fitting,

 6)   TriLookup 2.2
Excel add-in with eleven powerful worksheet functions for 1, 2 and 3 variable lookup and interpolation (closest-value, linear, piecewise parabolic or hyperbolic, cubic spline) and polynomial curve fitting. Includes online help and example workbooks.
Excel add-in, spreadsheet, lookup, interpolation, curve fitting,