The full AA SL syllabus, practised subtopic by subtopic.
Le Codex is a focused practice engine for IB Mathematics: Analysis and Approaches SL. Work through every subtopic in real exam style, check your answer against a facing mark scheme, and see your mastery of the syllabus build as you go.
Free for every IB Mathematics AA SL student while the open beta runs.
Everything you need to prepare, in one place.
No noise, no clutter. The essentials for AA SL, done properly.
Every subtopic, in IB style
Questions across the whole AA SL syllabus: Number and algebra, Functions, Geometry and trigonometry, Statistics and probability, and Calculus, written the way the exam asks them.
A facing mark scheme on every question
See exactly how the marks are earned: the method, not only the answer, with a worked solution beside your work.
Your mastery, tracked live
After every question your mastery of each subtopic updates, so you always know the one thing worth working on next.
Papers and worksheets
Exam-style Paper 1 and Paper 2 practice, and printable subtopic worksheets with answers, when you want to sit the real thing.
A simple cycle you can repeat any day.
Three steps, and the engine keeps the place you left off.
See where you stand
A short diagnostic finds the subtopics holding your grade back.
Practise the right thing
Work the exact subtopic that matters next, in real IB style, with the mark scheme beside you.
Watch mastery build
Your progress across the syllabus updates as you go, and points you to what is next.
Start with your first subtopic today.
Create a free account and go straight to your own plan. No card, and nothing to wait for.