ZRandom for Excel

ZRandom implements high quality random number generation for Microsoft Excel using the Merssenne Twister algorithm : * Use higher quality pseudo-random numbers than the Excel RAND() and VBA Rnd() functions. * Generate random numbers from 16 discrete and continuous distributions. ZRandom implements the following discrete distributions: Uniform, Bernoulli, Geometric, Hypergeometric, Negative Binomial and Poisson. ZRandom implements the follow