> the overwhelming majority of people can not learn mathematics properly from a textbook. There's a difference between a person starting off in mathematics, ve

> the overwhelming majority of people can not learn mathematics properly from a textbook. There's a difference between a person starting off in mathematics, versus someone who has done several undergrad/grad level courses and knows the "system". If you've gone through math formally earlier in your life, you should be able to pick up a math textbook and learn the subject. Unfortunately, many math textbook do not make this easy.