| C1: | Integer-valued functions (e.g., factorial, binomial coefficient, permutations, combinations, floor, ceiling) | (0 routines) |
| C2: | Powers, roots, reciprocals | (1 routine) |
| C3: | Polynomials | (7 routines) |
| C4: | Elementary transcendental functions | (14 routines) |
| C5: | Exponential and logarithmic integrals | (1 routine) |
| C6: | Cosine and sine integrals | (2 routines) |
| C7: | Gamma | (11 routines) |
| C8: | Error functions | (11 routines) |
| C9: | Legendre functions | (1 routine) |
| C10: | Bessel functions | (49 routines) |
| C11: | Confluent hypergeometric functions | (2 routines) |
| C12: | Coulomb wave functions | (0 routines) |
| C13: | Jacobian elliptic functions, theta functions | (3 routines) |
| C14: | Elliptic integrals | (10 routines) |
| C15: | Weierstrass elliptic functions | (0 routines) |
| C16: | Parabolic cylinder functions | (0 routines) |
| C17: | Mathieu functions | (0 routines) |
| C18: | Spheroidal wave functions | (0 routines) |
| C19: | Other special functions | (18 routines) |