English · University mathematics
Pass your maths colloquium — in English.
First-year university mathematics, written to be understood: clear lessons, worked examples and a practice engine that tracks exactly what you know. Study the lessons free; create a free account to practise and sit colloquia.
Free lessons · authored to the international first-year canon (Stewart, Strang, Ross…) · no credit card.
How it works
Read the lessons for free
Full lessons on logic, calculus and linear algebra — no account needed, open to everyone.
Create a free account to practise
Guided practice, the self-check and your Knowledge Map are free — the account just saves your progress.
Sit colloquia, reach “Mastered”
Domain colloquia (≥80%) certify what you know and drive your spaced-repetition reviews.
What's inside
Academic subjects in the English pilot — mathematics, foundations and physics, with more coming.
Subject
Academic mathematics
15 domains · 105 lessons — logic, calculus, linear algebra and more.
Subject
Foundations
Units, measurement uncertainty, vectors, graphs and estimation — the groundwork for maths and physics.
Subject
Physics
Classical mechanics and special relativity, with a computational check and a mini-lab on most lessons.
Virtual laboratory
Interactive physics and mathematics experiments you can run in the browser.
Formulas
Reference formula sheets with explanations and worked examples.
Calculators
Step-by-step calculators that show the method, not just the answer.
Start with what you need to pass.
Open a lesson now, or create a free account to practise and track your progress.
Create a free account