Study cards with spaced repetition based on the Ebbinghaus forgetting curve. Add text, images, and PDFs in bulk. Edit cards with text masking, image overlays, and auto-text recognition. Search, sort, and organize cards with tags and folders.
Search for answers by taking photos of questions and viewing explanations. Edit essays in English and Chinese with grading, feedback, and suggestions. Practice with downloadable exams and worksheets.
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