What are some good books for understanding the concept of limits for someone with an engineering background?

Question

I have been trying to understand the concept of limits since I was in college. It's been 6 years, and I still cannot understand it. I am from the engineering side. I tried to read some advanced books, but they became very advanced very quickly. I am looking for a book that gradually explains things and is also in-depth. At this point, I am wondering whether there is some book present or not. If someone knows some books, please suggest them. Thank you

Answer 1

I recommend Courant: Differential and integral calculus

Answer 2

You may try out the book "A course in mathematical analysis: foundations and elementary real analysis (volume I)" from the author D. J. H. Garling. As an alternative, you can give a chance to "Analysis I" from Terence Tao. If you like the Russian way of teaching, "Mathematical Analysis I" from Vladimir Zorich is a good reference as well.