· Brochures
Chapter 1
Chapter 2
Chapter 3
· Answers

Granular leveling
The difficulty of the topics, texts, and questions in 15 textbooks is designed to gradually increase, enabling systematic learning.

Complete 1 hour of reading per day
180 hours of study for 180 units of the same system
Increased learning effectiveness through repeated learning of the same system

Easy-to-teach textbook
Teacher's guide that provides detailed explanations and teaching plans for teachers and parents
Provides a wealth of teaching and learning materials, including worksheets and audio files.