| c02afc | Zeros of a polynomial with complex coefficients |
| c02agc | Zeros of a polynomial with real coefficients |
| c02akc | Zeros of a cubic polynomial with real coefficients |
| c02alc | Zeros of a real quartic polynomial with real coefficients |
| g13dxc | Calculates the zeros of a vector autoregressive (or moving average) operator |
| s17alc | Zeros of Bessel functions Jα(x), Jα′(x), Yα(x) or Yα′(x) |