: PDF notes alone do not replace active problem-solving. The most successful students use PDFs as revision aids after learning concepts from textbooks or lessons.
The Hong Kong Public Library (HKPL) offers an e‑resource called HyRead. You can borrow DSE revision books (e.g., from publishers like Hong Kong Educational Publishing) legally in PDF format for free. The lending period is 14 days – enough to extract key formulas. Dse Math Notes Pdf
Use notes that provide worked examples of common mistakes to avoid losing easy marks. : PDF notes alone do not replace active problem-solving