Structured notes · Spaced repetition
Write the derivation once. Review it until it sticks.
Structured notes and spaced-repetition flashcards in one surface — math that renders like a textbook, and cards that come back on the day you'd forget them.
Free for STEM students · No credit card
Sample session
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PHY 121 · Electromagnetism
Coulomb's law — force between two point charges
Click to reveal
Click the card to reveal it, then grade your recall. No account needed — nothing is saved.
Write, turn, keep.
- 01
Write
A derivation becomes a structured note — headings, lists and real LaTeX, in a serif surface that reads like the page it came from.
- 02
Turn
Any note can become a deck: card by card in the editor, or drafted for you by the AI.
- 03
Keep
FSRS spaced repetition brings each card back just before you'd forget it. Grade Again, Hard, Good or Easy and the schedule adapts to you.
Make it stick.
Start with one course. Write tonight's derivation and it will come back the day before the exam.