PETSc (Portable, Extensible Toolkit for Scientific Computation) is a suite of data structures and routines for the scalable (parallel) solution of scientific applications modeled by partial differential equationsis a general-purpose finite element program.
To see what versions of PETSc are available type
module avail petsc
To see what other modules are needed, what commands are available and how to get additional help type
module help petsc
To use PETSc, include a command like this in your batch script or interactive session to load the petsc module:
module load petsc
Be sure you also load any other modules needed, as listed by the
module help petsc command.