# Core concepts

How the engine works underneath the editor and the library. Each section is the
docstring of the module that implements it.

```{eval-rst}
.. automodule:: noodlelab.core.units
   :no-members:

.. automodule:: noodlelab.core.uncertainty
   :no-members:

.. automodule:: noodlelab.core.constants
   :no-members:

.. automodule:: noodlelab.core.montecarlo
   :no-members:

.. automodule:: noodlelab.core.requirements
   :no-members:

.. automodule:: noodlelab.core.checks
   :no-members:

.. automodule:: noodlelab.core.provenance
   :no-members:

.. automodule:: noodlelab.core.graph
   :no-members:

.. automodule:: noodlelab.core.tracked
   :no-members:

.. automodule:: noodlelab.core.reqlog
   :no-members:

.. automodule:: noodlelab.core.files
   :no-members:
```