| dnormratio | Ratio of two Gaussian distributions |
| estparnormratio | Estimation of the Parameters of a Normal Ratio Distribution |
| kummerM | Confluent D-Hypergeometric Function |
| lauricella | Confluent D-Hypergeometric Function |
| lnpochhammer | Logarithm of the Pochhammer Symbol |
| pochhammer | Pochhammer Symbol |
| rnormratio | Ratio of two Gaussian distributions |