'Concept Sen': Master concepts perfectly through repeated study of concept books and workbooks.

1.
Concept book + workbook repetitive learning system
2.
Solid concept learning through dictionary-style concept segmentation
3.
Type-specific problem-solving learning that allows for perfect practice of the type by composing representative types and similar problems in a 1:2 ratio.

[Concept Book]

1.
Concept Learning: Textbook concepts are broken down into dictionary-style sections to make them easier to understand.
We also provide basic problems so that you can immediately apply the concepts you have learned.
2.
Mastering the Concepts: We have made sure to help you master the concepts through essential problems from textbooks and workbooks.
3.
Mastering the types: A 1:2 type learning system of representative types + type 1 + type 2 has been implemented to help you master the types perfectly.
4.
Unit Summary: This is designed to ensure that you have a good understanding of the entire unit and to prepare you for the actual exam.

[Workbook]

We provide customized problems for each concept studied in the concept book, allowing you to reinforce the concepts and perfect your skills.

[Answer and Solution]

We provide quick answers for easy grading, and we provide a wealth of supplementary materials to help you solve problems, along with detailed explanations.