| f11gec | Real sparse symmetric linear systems, preconditioned conjugate gradient or Lanczos method or the MINRES algorithm |
| f11gsc | Complex sparse Hermitian linear systems, preconditioned conjugate gradient or Lanczos |
| f11jqc | Solution of complex sparse Hermitian linear system, conjugate gradient/Lanczos method, preconditioner computed by f11jnc (Black Box) |
| f11jsc | Solution of complex sparse Hermitian linear system, conjugate gradient/Lanczos method, Jacobi or SSOR preconditioner (Black Box) |
| f12fbc | Selected eigenvalues and, optionally, eigenvectors of a real symmetric sparse eigenproblem, reverse communication |
| f12fcc | Selected eigenvalues and, optionally, eigenvectors of a real symmetric sparse eigenproblem, postprocessing for f12fbc |
| f12fgc | Selected eigenvalues and, optionally, eigenvectors of a real symmetric banded eigenproblem, driver |