# Introduction & prerequisites

These appendices are reference and extension material you can dip into as needed.

## Prerequisites

- None.

## Recommended pre-work

- None — use these as needed while working through other parts.

## How to use

- If you’re stuck on tooling or environments, start with the Jupyter appendix.
- If you want extra practice or deeper dives, pick the relevant topic appendix.

## Useful starting points

- [Jupyter / notebooks intro](notebooks/appendix-jupy-intro)
- [Python data appendix](notebooks/appendix-data-python)
- [Maths appendix](notebooks/appendix-maths)
- [Databases appendix](notebooks/appendix-databases)
- [High performance computing](notebooks/appendix-high-performance-computing)