The key step with math is to do the exercises. Videos can get you interested, and help explain what you read, but that's it. In the end, you need a textbook, ju

The key step with math is to do the exercises. Videos can get you interested, and help explain what you read, but that's it. In the end, you need a textbook, judged according to the quality of its exercises and then a maybe a study partner to make it fun and maintain commitment.