here's a post from mathstackexchange that I always get back to: http://math.stackexchange.com/questions/843697/learning-higher-mathematics-on-your-own http://ma

here's a post from mathstackexchange that I always get back to: http://math.stackexchange.com/questions/843697/learning-higher-mathematics-on-your-own http://math.stackexchange.com/questions/843697/learning-high...