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Overview
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PETSc, the Portable, Extensible Toolkit for Scientific Computation,
includes a large suite of scalable parallel **linear and nonlinear
equation solvers, ODE integrators, and optimization algorithms** for application codes written in
C, C++, Fortran, and Python. In addition, PETSc includes support for
managing parallel PDE discretizations including parallel matrix and vector assembly routines. :any:`doc_toolkits_use_petsc`.

.. toctree::
   :maxdepth: 2

   nutshell
   features
   gpu_roadmap
   vector_table
   matrix_table
   linear_solve_table
   nonlinear_solve_table
   integrator_table
   tao_solve_table
   discrete_table
   plex_transform_table
   ../manual/index
   ../manualpages/index
   ../changes/index
   ../manualpages/singleindex
   previous_release_docs
