📚 All courses
Pick your track.
3 notes across 6 tracks — and growing.
Pre-University · UK
A-Level Maths
Pure, Mechanics and Statistics — written alongside Edexcel and AQA specs.
Secondary · International
IGCSE Maths
Cambridge & Edexcel IGCSE — core and extended, topic by topic.
College Board
AP Calculus & Stats
AP Calc AB/BC and AP Statistics — FRQs, MCQs and the intuition behind them.
Secondary · UK
KS3 & GCSE Foundation
Plain-English explanations, friendly visuals, small wins that build confidence.
中国初中 · 七至九年级
初中数学
人教版与北师大版双线索整理，章节笔记与典型例题逐步上线。
University · Year 1
University Foundations
Calculus, Linear Algebra, Probability — bridging A-Level into your first uni term.