I was wondering as to just how deeply chemistry relies on calculus. I'm great at all my chemistry homework and studies, but calculus is a real struggle for me. Not that it's impossible, just with the resources I have it's incredibly difficult. I worry that in the future, as in when I get to grad school, I may not be able to perform as well as I do now. Could someone tell me what I should focus on in calculus to keep strong in chemistry? I'm thinking about going for a degree in Biochemistry or Genetics, have also thought about carreers concerning quantum chemistry.