triangul.xls binomial.xls bivarn.xls chi_2.xls discrun.xls gamma.xls geom.xls hipermul.xls hypergeo.xls laplace.xls logistic.xls lognorm.xls multinom.xls negbin.xls normal.xls pareto.xls poisson.xls rectang.xls snedecor.xls student.xls beta.xls weibull.xls