{
  "@context": "https://schema.org",
  "@type": "Book",
  "id": "ptb-h-mathematics-8-ur",
  "board": "PTB-H",
  "boardName": "Punjab (historical)",
  "boardFull": "Punjab Textbook Board, Lahore — historical editions",
  "class": "8",
  "classSort": 8,
  "subject": "Mathematics",
  "medium": "Urdu",
  "pages": 244,
  "sizeMB": 40.3,
  "textTier": "scanned",
  "producer": "?",
  "file": "ptb-historic/class-8/mathematics-8-ur.pdf",
  "year": null,
  "acquired": "2026-08-23",
  "sha256": "3905221c1d9a40f113de035328142ff244a65fb70ab2c7fabde02df5a210c7a8",
  "title": "ریاضی برائے جماعت ہشتم / Riyazi for Class VIII",
  "sourceUrl": "https://archive.org/download/1986-compressed_20251006/%D8%B1%DB%8C%D8%A7%D8%B6%DB%8C%20%D8%A8%D8%B1%D8%A7%D8%A6%DB%92%20%D8%AC%D9%85%D8%A7%D8%B9%D8%AA%20%DB%81%D8%B4%D8%AA%D9%851986_compressed.pdf",
  "scores": {},
  "evidence": [],
  "curriculum": "Historical PTB edition",
  "edition": "see year",
  "editionNote": "Pre-2006 curriculum era; imprint year from the scan where recorded",
  "note": null,
  "_license": "CC BY 4.0 — attribute to the Textbook Evidence Project.",
  "_note": "Scores are measured properties of text, not verdicts. Read /method/ before using them.",
  "_canonical": "/books/ptb-h-mathematics-8-ur/"
}