statistiXL 

statistiXL is a powerful data analysis add-in for MS Excel. Its abilities include: ANOVA, Contingency Tables, Clustering, Correlation, Discriminant and Factor Analysis, GOF, Regression, Nonparametrics, PCA, Uni and Multivariate t-Tests and many more.
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Real Option Valuation 

The Real Option Valuation model encompasses a suite of option pricing tools to quantify the embedded strategic value for a range of financial analysis and investment scenarios. Option pricing tools include Black-Scholes, Binomial, and Game Theory.
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ZRandom 

ZRandom implements high quality random number generation for Microsoft Excel using the Mersenne Twister algorithm and includes 16 distributions. Generate using Excel formulas, VBA or using the user interface. Implements random sort and random sample.
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WebCab Probability and Stat (J2EE Ed.) 

EJB Suite offers functionality from Basic Statistics, Discrete Probability, Standard Probability Distributions, Hypothesis Testing, Correlation and Linear Regression
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WebCab Probability and Stat for .NET 

Add Statistics, Discrete Probability, Standard Probability Distributions, Hypothesis Testing, Correlation and Linear Regression functionality to your .NET, COM, and XML Web service Applications.
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WebCab Probability and Stat for Delphi 

Add Statistics, Discrete Probability, Standard Probability Distributions, Hypothesis Testing, Correlation and Linear Regression functionality to your .NET, COM, and XML Web service Applications.
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