# API Reference

Auto-generated documentation from the source code docstrings (Google-style docstrings).

- [main_program](main_program.rst) -- Application entry point
- [config](config.rst) -- Configuration, constants, environment, paths, equations, difference equations
- [solver](solver.rst) -- Equation parser, ODE/difference/PDE solvers, notation (f-notation, derivative labels), error metrics, predefined equations, statistics, validators
- [plotting](plotting.rst) -- Solution plots, phase portraits, surface and contour plots
- [pipeline](pipeline.rst) -- Solver pipeline orchestration
- [transforms](transforms.rst) -- Function transforms (Fourier, Laplace, Taylor, Hilbert, Z-transform)
- [complex_problems](complex_problems.rst) -- Special problems with custom UIs (experimental, in development)
- [frontend](frontend.rst) -- GUI: theme, windows, dialogs, widgets
- [utils](utils.rst) -- Exceptions, expression parser shared utilities, export, logging, update checker

<!-- Sphinx toctree (hidden, only drives sidebar navigation in built docs) -->

```{toctree}
:hidden:

main_program
config
solver
plotting
pipeline
transforms
complex_problems
frontend
utils
```