I'd say if you have a basic understanding of calculus (derivatives and integrals), you could get though Griffiths' books with another companion book, like what

I'd say if you have a basic understanding of calculus (derivatives and integrals), you could get though Griffiths' books with another companion book, like what my college used: https://www.amazon.com/Mathematical-Methods-Physical-Sciences-Mary/dp/0471198269 https://www.amazon.com/Mathematical-Methods-Physical-Science... I'm still upset that my copies of Griffiths' texts were stolen my senior year of college...