Section II is also broken down into a Part A and Part B, but the calculator usage is reversed. Part A does not allow a graphing calculator and Part B allows a graphing calculator, with some questions requiring its use in order to get an answer. Section I is further broken down into Part A and Part B. Section II is the free response section which you have 90 minutes to complete. Section I is the multiple choice section which you have 105 minutes to complete.
The AP Calculus AB exam is divided into two sections, each worth 50% of your final score.