This is "Chart-shiki Mathematics A," also known as "Yellow Chart," a problem-solving and exercise book. From basic to advanced: It systematically covers a range of problems, from textbook-level examples to standard entrance exam exercises. Detailed explanations: The "Chart (guidelines)" allows you to understand the key points of the solutions at a glance. Wide range of uses: Ideal for school preparation and review, as well as building a foundation for common test preparation and university entrance exams. *Includes a separate answer booklet. Writing: [None / Please forgive any minor oversights] Instant purchase OK. Thank you for viewing. - Everything in the photos is included. There are no other accessories. - If you are very particular about the condition, or if you are concerned about minor scratches or aging, please refrain from purchasing. - There may be some sun damage or wear that is difficult to see in the images, but it does not affect readability. - Will be shipped in simple packaging. #Masapon's Book List is here #YellowChart #MathematicsA #ChartShiki #ChartResearchInstitute #MathA #HighSchoolMathematics #UniversityEntranceExam #RegularTestPreparation #ReferenceBook #Mathematics #SelfStudy #Book #Society/Education/Learning