1)   Sicyon Lite calculator 4.0
Sicyon = scientific (VBScript/JScript) calculator + matrix operations + constant database + units converter + solver + curve-fit.
expression calculator, VBScript, JScript, database, units converter, solver, curve fit,

 2)   LeoStatistic 14.7
Universal tool for statistical analysis and modeling of experimental and market data. Support import data from variety of data sources. Statistical schemes cover all major data modeling operations. Create report ready output.
data analysis, curve fit, multiavariate analysis,

 3)   Regression Analysis - DataFitting 1.7
DataFitting is a powerful statistical analysis program that performs linear and nonlinear regression analysis (i.e. curve fitting).
DataFitting, curve, fitter, least squares, curve fitting, nonlinear, non-linear, regression, equation, curve fit,