<p>“You really do not need any math background to be able to read High school textbook. Did you try? However, I do not want to convince you one way or around, this just a suggestion.”</p>
<p>The OP’s daughter is not having trouble READING. She’s challenged by the work of AP calculus. </p>
<p>I am good at math and could not “help” my child with AP calc under any circumstances. But yes I could “read” the book also.</p>