Simple Risk Calculator 

Simple risk calculator calculates a set of risk measures, such as VaR, CVaR, dispersions, and risk\reward ratios. The calculator is useful for decision making, risk engineering, risk measurement, and risk management tasks.
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Really Random Numbers 

Really Random Numbers uses a number generation process based on white noise in energy from the PC's sound card. Its data passes virtually all statistical tests of randomness and improves significantly over biased and predictable pseudo-random numbers
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