Stan Functions Reference</em>]((<a href="https://mc-stan.org/docs/functions-reference/index.html" class="uri">https://mc-stan.org/docs/functions-reference/index.html</a>)
listing all the built-in functions and their signatures,
and the [<em>Stan User’s Guide</em>]((<a href="https://mc-stan.org/docs/stan-users-guide/index.html" class="uri">https://mc-stan.org/docs/stan-users-guide/index.html</a>)
providing examples and programming techniques.
There is also a separate installation and getting started guide 