Switching majors to Mechanical Engineering - Advice needed

Hi all!



Currently I'm a business major and I realized after a month long car rebuilding project that I should probably pursue another major. My entire life I've been fascinated with building contraptions and what not.



I'm pretty behind in the game right now, and would like to do as much learning on my own as I can to help me better once I get into a mechanical engineering program.



I've spoken with admissions at UMASS Dartmouth and they told me that academically I am in excellent standing with regards to eligibility (GPA wise). I simply have to complete a calculus course in order to get into their program.



I've always been very good with math. But given that I thought I would be pursuing business I kind of fell behind math wise. I am going to be taking precalculus this semester, and I hope I can take a intersession calc course.



So now that my plan and history is understood! Is their any online resources that I could take advantage of to help teach myself calculus? Furthermore, do you have any suggestions on some good reads for me that deal with engineering concepts?



Thanks all!