1)   Excel VBA Models Set 1 XL-VBA1.0
Excel VBA Models with Open Source Code - Option Greeks, Lotto Number, Probability, Normal Distribution, Monte Carlo simulation, Black-Scholes, Binomial Option Pricing, Portfolio Optimization, Multiple Regression, Bootstrap, Multivariate distribution

 2)   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.