| F01EJF | Real matrix logarithm |
| F01FJF | Complex matrix logarithm |
| F01JAF | Condition number for the exponential, logarithm, sine, cosine, sinh or cosh of a real matrix |
| F01KAF | Condition number for the exponential, logarithm, sine, cosine, sinh or cosh of a complex matrix |
| S14AGF | Logarithm of the gamma function , complex argument |
| S14CBF | Logarithm of the beta function |