| Probability Functions | 
| CDF | computes cumulative distribution functions | 
| LOGCDF | returns the logarithm of a left cumulative distribution function | 
| LOGPDF | computes the logarithm of a probability function | 
| LOGSDF | computes the logarithm of a survival function | 
| computes probability density functions | |
| POISSON | returns the probability from a Poisson distribution | 
| PROBBETA | returns the probability from a beta distribution | 
| PROBBNML | returns the probability from a binomial distribution | 
| PROBBNRM | returns the probability from the bivariate normal distribution | 
| PROBCHI | returns the probability from a chi-squared distribution | 
| PROBF | returns the probability from an F distribution | 
| PROBGAM | returns the probability from a gamma distribution | 
| PROBHYPR | returns the probability from a hypergeometric distribution | 
| PROBMC | returns a probability or a quantile from various distributions for multiple comparisons of means | 
| PROBNEGB | returns the probability from a negative binomial distribution | 
| PROBNORM | returns the probability from the standard normal distribution | 
| PROBT |  returns the probability from a  | 
| SDF | computes a survival function |