I got AP Calculus BC test score of 3, and an AB subscore of 2. I’m wondering if I’ll credit for at least Calculus !.
AP credits depend on the college. Most colleges have their AP credit policies online. If the college gives credit for a 3, then you would likely get credit for both calc 1 and calc 2. Whether you should accept the credit vs. retaking in college is a different question.
Whether you pass the entire test is a percentage of right answers, I think. If you are going into engineering, you may want to consider retaking at least part of the calculus sequence as a refresher, or perhaps retaking all of it to make sure you have a firm grasp of the subject if you also had mediocre grades in your calculus class. How did you do in school on tests? Some people have a hard time with standardized tests, and a 3 hour long test in a single subject can be brutal.
While true, a 3 hour exam is pretty standard for a college final exam.