| C02AFF | All zeros of complex polynomial, modified Laguerre method |
| C02AGF | All zeros of real polynomial, modified Laguerre method |
| C02AHF | All zeros of complex quadratic equation |
| C02AJF | All zeros of real quadratic equation |
| C02AKF | All zeros of real cubic equation |
| C02ALF | All zeros of real quartic equation |
| C02AMF | All zeros of complex cubic equation |
| C02ANF | All zeros of complex quartic equation |
| G13DXF | Calculates the zeros of a vector autoregressive (or moving average) operator |
| S17ALF | Zeros of Bessel functions Jα(x), J'α(x), Yα(x) or Y'α(x) |