| S17ACF | Bessel function Y0(x) |
| S17ADF | Bessel function Y1(x) |
| S17AEF | Bessel function J0(x) |
| S17AFF | Bessel function J1(x) |
| S18ACF | Modified Bessel function K0(x) |
| S18ADF | Modified Bessel function K1(x) |
| S18AEF | Modified Bessel function I0(x) |
| S18AFF | Modified Bessel function I1(x) |