Advanced Mathematics Concepts: Calculus: The New Math Bible

By learning in three stages of step-by-step type learning, you can increase your adaptability to the type of problem by changing one example to a number (imitation) -> changing the expression (transformation) -> broadening the concept (application). You can also develop problem-solving skills from basic to advanced through level-based problem learning -> building basics -> building skills.
Approach method through detailed solution understanding -> Detailed solution -> Supplementary explanation You can easily understand the approach and solution method to the problem through a systematic and detailed solution method in 3 steps.