Capture a lesson
Notebook
Write or sketch a lesson, then turn text into study material. Keep diagram labels in text for conversion.
Use your notesA place to start
Study with reviewers, Pomodoro focus sessions, Feynman explanations, active recall, Cornell notes, flashcards, and practice exams.
Capture a lesson
Write or sketch a lesson, then turn text into study material. Keep diagram labels in text for conversion.
Use your notesUnderstand the method
Read a lesson, explain it, recall it, or collect Cornell notes.
Build a reviewerRecall without looking
Recall one idea at a time and revisit cards that need practice.
Make useful cardsApply the whole lesson
Solve questions, check explanations, and retry mistakes.
Prepare an examOne lesson, three passes
Open a reviewer and choose Read, Feynman, Memory, or Notes. Use its focus timer when you want a timed session.
Add readable sources, choose a format, and review the draft before publishing. AI availability depends on site setup and allowance.
Prepare your sourcesKeep sketches beside your text, then choose a direct reviewer or an AI draft from one page or a whole notebook.
Choose source text, set the format and question mix, then review the result before anything is published.
A practical review pass for source accuracy, calculations, answer choices, and privacy.
Use known cards, stars, and repeat practice for different purposes, and understand what your saved progress actually records.
Use flags during a practice round, inspect worked solutions after finishing, and turn the result into a specific next study step.
Read reviewers, practice cards, and take exams as a guest, with browser-linked card progress and exams kept in the open page.
Try a public reviewer, flashcards, or practice questions without an account.
Working on interest or discount? Start with the business math guides.