API Reference
=============

Complete API reference for Metric Engine.

Core Components
---------------

.. toctree::
   :maxdepth: 2

   value
   units
   policy
   policy_context
   formatting_reference
   null_behaviour
   registry
   registry_collections
   engine
   reductions
   utils
   exceptions
   provenance

Calculations
------------

.. toctree::
   :maxdepth: 2

   calculations/growth
   calculations/inventory
   calculations/pricing
   calculations/profitability
   calculations/ratios
   calculations/utilities
   calculations/variance