How the site is organised
Start on the homepage if you want the broadest entry point. If you already know the operation you need, go straight to the calculators. If you want to compare a method with a worked problem first, use the examples page.
- HomepageStart here for the main calculator path, worked examples, and optional email updates.
- All calculatorsBrowse the full matrix calculator library in one place.
- Worked examplesFollow guided examples when you want a clearer path through the method.
- ContactGet in touch if you need help or want to share feedback.