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What is the best way to take notes during lectures for Chemical Engineering?

How should I take notes during lectures for my freshmen year for chemical engineering classes or any general education classes? Is it worth it to get an app to listen to the lectures and to help take notes?

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Thank you comment icon Duplicate question: more answers here: https://www.careervillage.org/questions/1151857/what-is-the-best-way-to-take-notes-during-lectures Joseph Neilson
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Dheeraj Krishna’s Answer

Writing notes (including formulae, molecular structures, reactions) on sheet paper is classic way else typing it/writing digitally on a digital device as an alternative during the lectures to capture all learnings.
Recordings via digital device with app can always be a backup if need be.
So listening/reading notes again will be an additional step of reinforced learning at the end of the day, so we are ready for the next session in best possible way!
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Teklemuz Ayenew’s Answer

Effective note-taking in chemical engineering combines understanding, organization, and active engagement. Before class, skim and scan relevant topics or review previous notes to get an overview, and prepare tools such as a graph-paper notebook, pens, a tablet, or a mobile device. During lectures, focus on understanding how formulas are derived, the assumptions involved, the units, and any approximations, while placing worked examples and diagrams alongside key concepts. Summarizing ideas in your own words and asking questions about the concepts, topics, or reasoning further reinforces comprehension.

After class, review your notes within a day to clarify points, fill gaps, and redo example calculations. Study the material multiple times until you are confident you understand and can apply it, rather than just memorizing. Maintain a dedicated section for formulas, unit conversions, and assumptions for quick reference. Weekly reviews, spaced repetition, and digital tools like OneNote or Notion help organize and strengthen learning. Testing yourself, discussing concepts with classmates, and teaching material to others further solidify knowledge. Using color coding, visual aids, and a combination of handwritten and digital notes makes studying more efficient and supports both deep understanding and long-term mastery in your field.
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Donna’s Answer

I am sure you are more savvy than I am with the new technologies. I would suggest for your general classes and for lectures in chemical engineering you apply some type of AI technology. I love how it summarizes meetings and provides the action items for specific individuals. Or using it to get an overview of emails to help prioritize them. Then you have the long and the short version of the lecture to refer to at a later date.

Molecular structures I guess would be a little harder. As I am sure instructors wouldn't be happy with students snapping pictures through the lecture. As Dheeraj suggest above a digital device would be optimal as you can quickly change and rearrange items to suit you.
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Michael’s Answer

I would suggest you use your laptop
The slides are probably available as is the book
Make notes on the lecture
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