About This Site | DSE - Wyatt's Notes

Wyatt’s Notes provides comprehensive study materials for the Hong Kong Diploma of Secondary Education (DSE) examination. The DSE is the standardised exam taken by all Hong Kong students at the end of secondary school, determining university admissions and future pathways.

These notes are created by Wyatt, an educator and content developer with deep familiarity with the Hong Kong education system and assessment frameworks. Every topic is aligned to the HKEAA (Hong Kong Examinations and Assessment Authority) curriculum specifications, ensuring direct relevance to your exams.

The materials are continuously refined based on past paper analysis, examiner reports, and feedback from students across Hong Kong. Content is structured to build understanding progressively — from core concepts to advanced application — matching the cognitive demands of DSE papers at Levels 4–5**.

• Subject-specific notes covering Physics, Chemistry, Biology, Mathematics, and more
• Past paper walkthroughs with examiner-aligned marking strategies
• Concept summaries designed for efficient revision in the weeks before exams
• Cross-references between related subjects to reinforce interdisciplinary understanding

Wyatt holds qualifications across multiple educational frameworks and develops resources that meet the rigorous standards of international assessment bodies. The DSE materials are informed by comparative analysis with equivalent qualifications worldwide, ensuring depth and accuracy.

• IB — International Baccalaureate programme resources
• GCSE — UK GCSE qualification materials
• AP — US Advanced Placement course notes

Start with the subject pages to find the topics you need. Each section is structured for quick navigation and focused revision. Use the flashcards and practice problems to test your understanding before exam day.

Visit wyattsnotes.wyattau.com for the full network of study resources.

This site provides comprehensive study materials covering:

• Physics
• Chemistry
• Mathematics
• Biology
• ICT

Each topic includes detailed explanations, worked examples, and practice problems designed to build deep understanding.

1. Start with fundamentals — begin with the core topics before moving to advanced material
2. Work through examples — every concept includes worked examples with step-by-step solutions
3. Test yourself — use the practice problems and diagnostic tests to identify knowledge gaps
4. Cross-reference — related topics on other sites in the Wyatt’s Notes network provide additional perspectives

• Flashcards — spaced repetition flashcards for key concepts and formulas
• Practice Problems — graded problems from basic to advanced
• Diagnostic Tests — identify your strengths and weaknesses
• Worked Examples — step-by-step solutions to common problems

These notes are informed by standard university textbooks including HKEAA DSE guides. While the notes follow the general structure of these texts, they are not a substitute for reading the primary sources.

DSE preparation

Wyatt’s Notes is a network of 45+ study sites covering physics, mathematics, computer science, programming languages, and more. Each site is built with Astro and Starlight, using SolidJS for interactive components.

• Mathematics — University-level mathematics
• Physics — University-level physics
• Computer Science — Algorithms, data structures, and theory
• Programming — Programming fundamentals and practice

For questions, corrections, or suggestions, visit wyattsnotes.wyattau.com or open an issue on GitHub.

• DSE Notes
• Complete DSE Study Guide — Everything You Need to Pass
• Cell Biology

This topic covers the fundamental principles and applications in depth. Each concept is explained with clear definitions, worked examples, and practice problems to reinforce understanding.

Understanding these core concepts is essential for mastering this topic. They form the foundation for more advanced study and are frequently examined.

Worked examples demonstrate how to apply the concepts to solve problems. Each example is broken down into clear steps with explanations.

• Rushing through foundational material
• Not practising problems after reading
• Failing to connect concepts across topics

Consult the recommended textbooks and additional resources for deeper understanding of this topic.

This topic covers the fundamental principles and applications in depth. Each concept is explained with clear definitions, worked examples, and practice problems to reinforce understanding.

Understanding these core concepts is essential for mastering this topic. They form the foundation for more advanced study and are frequently examined.

Worked examples demonstrate how to apply the concepts to solve problems. Each example is broken down into clear steps with explanations.

• Rushing through foundational material
• Not practising problems after reading
• Failing to connect concepts across topics

Consult the recommended textbooks and additional resources for deeper understanding of this topic.

This topic covers the fundamental principles and applications in depth. Each concept is explained with clear definitions, worked examples, and practice problems to reinforce understanding.

Understanding these core concepts is essential for mastering this topic. They form the foundation for more advanced study and are frequently examined.

Worked examples demonstrate how to apply the concepts to solve problems. Each example is broken down into clear steps with explanations.

• Rushing through foundational material
• Not practising problems after reading
• Failing to connect concepts across topics

Consult the recommended textbooks and additional resources for deeper understanding of this topic.