1)   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.

 2)   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!

 3)   Regression Analysis - DataFitting 1.7
DataFitting is a powerful statistical analysis program that performs linear and nonlinear regression analysis (i.e. curve fitting).

 4)   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.

 5)   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.

 6)   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.

 7)   Regression analysis - CurveFitter 1.1
CurveFitter program performs statistical regression analysis to estimate the values of parameters for linear, multivariate, polynomial, exponential and nonlinear functions.

 8)   Scientific calculator - ScienCalc 1.1
ScienCalc is a convenient and powerful scientific calculator. ScienCalc calculates mathematical expression. It supports the common arithmetic operations (+, -, *, /) and parentheses.

 9)   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.