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This skill aims to organize transcribed classroom recordings (such as Whisper transcripts, which may contain accents, pronunciation errors, or phrasing mistakes) into structured notes, making it particularly suitable for students who need efficient review and exam preparation. It strictly follows the chronological order of the lecture, makes necessary semantic corrections to the transcribed text, ensures complete recording of formulas, and adds "Exam-Relevant" annotations and appropriate explanations for exam-related content. If you are a student, researcher, or anyone who needs to transform spoken language teaching content into reviewable written material, this skill will be your ideal choice. The core functions of this skill include: lightweight cleaning and minimal inferential correction of the original transcribed text to correct obvious recognition errors and logical breaks without altering the teacher's original intent; organizing notes strictly according to the teacher's lecture chronological order, and appropriately supplementing with concept definitions, variable meanings, and intuitive explanations to aid comprehension; if the user provides a PPT/PPTX file, the skill will compare it with the content to ensure terminology accuracy, while still maintaining the lecture content as the main thread; all mathematical formulas and derivation steps will be fully recorded, prioritizing the use of LaTeX format; for key points, definitions, model comparisons, and other exam-related content emphasized by the teacher, the skill will automatically add an "Exam-Relevant" tag. The final output notes will be in Markdown format, including a summary of core course knowledge points, mind maps (or alternative structure tables), exam review suggestions, and suggestions for previewing the next lesson, comprehensively supporting your learning and exam preparation.