IGCSE, A Level, O Level

Study notes, worked examples and exam-standard practice questions for secondary school and A Level — all 11 subjects, all offline, no ads. Every topic is written from textbook sources and broken down section by section, so you can go from first principles to full understanding without needing a teacher beside you. SUBJECTS Mathematics Additional Mathematics Physics Chemistry Biology Economics Accounting Geography Statistics English Language Literature in English Covering Grades 7–12 in full, with foundation material from Grade 1 and extension material at university level. WHAT'S INSIDE EVERY TOPIC 📖 Clear explanations Plain-language breakdowns structured section by section. No jargon you haven't been taught yet. 🔢 Worked examples Step-by-step solutions showing exactly how each answer is reached — not just the final result. Available for Mathematics, Additional Mathematics, Physics, Chemistry, Accounting, Economics and Statistics. 🔘 Multiple choice questions Exam-standard MCQs with instant answer checking and a full worked solution for every option. ✍️ Theory questions Structured theory questions with model answers you reveal when you're ready — so you can attempt properly first. 🌍 Practical applications How each topic is actually used, from industry to everyday life. Useful when a topic feels abstract and you need a reason to care. 📊 Diagrams Visual explanations for the topics that need them, from cell structure to supply and demand curves. WORKS COMPLETELY OFFLINE Everything is on your device. No internet needed, no data cost, no loading spinners. Study on a bus, in a boarding house, anywhere. NO ADS. NO SUBSCRIPTION. NO ACCOUNT. Nothing is collected about you. There's no sign-up, no email, no tracking — open the app and start studying.