1)   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,

 2)   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.
graphing, data analysis, plotting, curve fitting, nonlinear regression, non-linear regression, non linear regression, data fitting, non linear curve fitting, nonlinear curve fitting,

 3)   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.
graphing, data analysis, plotting, curve fitting, nonlinear regression, non-linear regression, non linear regression, data fitting, non linear curve fitting, nonlinear curve fitting,