Page status: Outline
This is a rough outline of an article. It might not use full sentences everywhere and probably won’t make much sense at the moment.
Maths is huge, never mind other subjects! How to work in a field not covered by the built-ins?
Might need to add:
Don’t want to define this each time it’s used: Don’t Repeat Yourself.
Custom part types make marking algorithms reusable and provide a nice authoring interface.
The online extension editor is very useful.
Extensions have provided lots of good new features.