.. _U1.03.00:

**u1.03.00** The main operating principles of Code_Aster
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**Summary:**

Here is a summary of the operating principles of*Code_Aster* and the main rules of use of *Code_Aster*.

This document remains a general description and the reader will usefully refer to the other documents for all the details of use.


.. toctree::
    :hidden:

    self

.. toctree::
    :maxdepth: 2
    :numbered:

    Principes_g_n_raux
    Maillage
    Commandes
    Les_grandes__tapes_d_une__tude
    Fichier_d_impression_et_messages_d_erreur