# Technical Reference

API reference of UNsim. This page is under development; the contents will be expanded.

```{toctree}
:maxdepth: 2

ref_core
ref_analyzer
ref_jax
```

- {doc}`ref_core`: Simulation core classes: `World`, `Node`, and `Link`
- {doc}`ref_analyzer`: Result analysis and visualization: `Analyzer`
- {doc}`ref_jax`: JAX-based differentiable simulation: `unsim.unsim_diff` module