Live: https://mrtatwellhtml.github.io/Diligent-Add-Maths/
A study website and installable PWA for CSEC Additional Mathematics — clear notes, worked examples, four tiers of randomized practice, and past-paper-style questions with instant grading and full worked solutions, for all 19 syllabus topics across the four sections (Algebra/Sequences/Series, Coordinate Geometry/Vectors/Trig, Introductory Calculus, Probability & Statistics).
node tools/serve.js # http://127.0.0.1:8000 (no dependencies)
Or just open index.html. Add it to your home screen for offline use (PWA).
cd tools
node am-verify.js # logic check on every question generator
node am-render-check.js # renders every math span through KaTeX
See PROJECT.md for the full architecture, content model, topic tracker and authoring workflow. Built on the same engine as the sister site Diligent Mathematics.