I have taken all maths through Calculus I in high school, which was back in 2008. I am back in college again, this time with a renewed interest in math and philosophy. Without going into too much detail, I think it safe to say that the last thing on my mind in high school was school, which I very much regret, however well I actually did (3.85 GPA, National Honors Society). I retained much of what I learned and found it all relatively easy (with the exception of vectors). However, I didn't have quite the passion for math that I have now. I want to restudy all of what I learned, but in greater detail. Also, I have found that I am very much fascinated by classical math literature and the history of how different topics of math evolved over time. The only worry I have about buying books without the advise of others is studying for a long period of time only to find that there are gaps in my knowledge or whole topics/concepts that I have skipped.