Looking to reteach myself vector calc

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A junior electrical engineering major is seeking resources to refresh knowledge in vector calculus, specifically line and surface integrals, in preparation for an upcoming Electromagnetics course. Suggestions include revisiting personal notes from previous coursework as a primary resource. The individual is open to exploring websites, study guides, and other study aids but prefers not to purchase a textbook. The discussion emphasizes the importance of self-study materials and leveraging past academic resources for effective review.
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Hey guys, I'm a junior electrical engineering major. I took vector calculus last year, and I don't remember too much. Next semester I am taking Electromagnetics, so I want to brush up on my line and surface integrals and all that stuff. Do you guys have any advice where I could go to reteach myself some of that? Websites, specific books, study aids, anything. I probably won't buy a textbook, but I would consider buying a study guide. Thanks a lot!
 
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Well wouldn't the best source of info to relearn from be your old notes themselves?
 
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