I am currently studying Calculus and there are some topics giving me some difficulty, such as the epsilon-delta definition of a limit. I searched the Internet and found that this epsilon-delta definition is not particularly important in Calculus study, but more so in Analysis, and since my focus is primarily in Calculus, I could skip it.
My question is what other topics in Calculus books (differential and integral) could I skip?
I kept searching and found this question and answer on Mathematics Stack Exchange that talks about what topics could be studied in Real analysis, Complex analysis, and differential equations. These topics are ordered which is helpful.
My new request is for suggestions based on the links provided. I am unable to contact the writer of the posted answer. If you could also provide What books would be helpful for any suggestions, it would be greatly appreciated.
Please keep in mind that I am a beginner and I'm looking for something that provides gradual increases in difficulty.
Thanks in advance.