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Over 300 functions implemented, with autocomplete and live evaluation.
- Calculus
- Matrices
- Statistics
- Arbitrary precision numbers
Work things out your way
- Optimized for mobile and touch devices
- Only contains the tools you need
- Exercises are imported automatically
Read. Practice. Remember.
Everything is connected so you can go from reading to doing without switching context.
Pick a topic
Browse by category or follow a curated course from start to finish.
Work the exercises
Every article has practice problems with full solutions. Import questions straight into the canvas.
Keep your notes
Your work is filed automatically — linked to the article, organized in folders, always findable.
Every article has exercises
- Fully worked solutions to every exercise
- Create a note for the article, importing the question onto the canvas
- Notes are automatically placed in the correct storage folder
- Two-way links between notes and articles
Fully intuitive note storage system
- Folder-based storage for your maths notes
- Folders are automatically generated and linked to articles
- No organizing needed
Built for self-learners
You shouldn't need a teacher to tell you what to read next.
Articles grouped into categories and sub-categories
A full taxonomy helps you to find what you need quickly.
Never out of your depth
Every article has a description, difficulty level, and listed prerequisites — so you always know if you're ready.
Follow a path, not a maze
Don't know where to start? Courses are hand-crafted collections of articles, ordered by difficulty. Each builds on the last.
Start anywhere. Keep going.
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