Use members of the advanced class to compute Airy, Bessel, beta, elliptic, and other advanced functions.
| Function | Description |
| airy | Airy functions |
| besschk | Checks arguments of a Bessel function |
| bessel | Bessel function 1st kind |
| besselh | Bessel function 3rd kind (Hankel function) |
| besseli | Modified Bessel function 1st kind |
| besselj | Bessel function 1st kind |
| besselk | Modified Bessel function 2nd kind |
| bessely | Bessel function 2nd kind |
| beta | Beta function |
| betainc | Incomplete beta function |
| betaln | Natural logarithm of beta function |
| ellipj | Jacobi elliptic function |
| ellipke | Complete elliptic integral |
| erf | Error function |
| erfc | Complementary error function |
| erfcinv | Inverse complementary error function |
| erfcx | Scaled complementary error function |
| erfinv | Inverse error function |
| expint | Exponential integral function |
| gamma | Gamma function |
| gammainc | Incomplete gamma function |
| gammaln | Natural logarithm of gamma function |
| legendre | Associated Legendre function |
| psi | Psi function |