Recent content by Lane4

  1. L

    Undergrad Here's the type of textbook I'm looking for. Does it exist?

    I am a college physics grad. For many subtopics of precalculus or calculus, the following statement applies to me: "I can easily solve problems that involve X, but I can't really tell you what X is or why it matters." I'd like to spend some spare time to gain a strong understanding of the...