『God's Number』 is a practical concept book based on over 18 years of experience teaching at the top level.
The God's Hand series is a practical concept book optimized for solving difficult problems, and Common Mathematics II is designed to systematically learn advanced concepts such as shapes and functions and to perfectly prepare for real-world situations.
This book covers key topics frequently tested on exams and presents problem-solving methods centered on practical concepts actually used by high-achieving students in math.
This helps students improve their problem-solving skills and become more competitive on exams.
Additionally, it is a top-tier secret book filled with top-tier field lecture know-how, providing effective learning strategies experienced in real-world situations by top-tier students.