{
  "title": "Hong Kong Mathematics",
  "subtitle": "DSE Compulsory Part (S4–S6)",
  "intro": "Structured around the three core strands of the Hong Kong mathematics curriculum. Chapters marked as available can be read now; others are on the roadmap.",
  "strands": [
    {
      "id": "number-algebra",
      "title": "Number & Algebra",
      "chapters": [
        {
          "slug": "quadratic-equations",
          "title": "Quadratic equations",
          "status": "live"
        },
        {
          "slug": "sequences",
          "title": "Sequences & series",
          "status": "planned"
        },
        {
          "slug": "functions-graphs",
          "title": "Functions & graphs",
          "status": "planned"
        },
        {
          "slug": "linear-programming",
          "title": "Linear programming",
          "status": "planned"
        }
      ]
    },
    {
      "id": "measures-shape-space",
      "title": "Measures, Shape & Space",
      "chapters": [
        {
          "slug": "trigonometry",
          "title": "Advanced trigonometry",
          "status": "planned"
        },
        {
          "slug": "coordinate-geometry",
          "title": "Coordinate geometry of circles",
          "status": "planned"
        },
        {
          "slug": "circle-properties",
          "title": "Properties of circles",
          "status": "planned"
        },
        {
          "slug": "loci",
          "title": "Loci",
          "status": "planned"
        }
      ]
    },
    {
      "id": "data-handling",
      "title": "Data Handling",
      "chapters": [
        {
          "slug": "dispersion",
          "title": "Measures of dispersion",
          "status": "planned"
        },
        {
          "slug": "probability",
          "title": "Permutations, combinations & probability",
          "status": "planned"
        },
        {
          "slug": "normal-distribution",
          "title": "Normal distribution & z-scores",
          "status": "planned"
        },
        {
          "slug": "statistical-literacy",
          "title": "Statistical literacy",
          "status": "planned"
        }
      ]
    }
  ]
}