This is for developing calculation skills, so it's content that isn't tied to a specific curriculum. It's perfect for improving your mathematical ability. #szlureExamMathList Σ Best Gokaku Calculation 　Gokaku Calculation Math I・A・II・B, 4th edition, 2016 　　　Has traces of being opened on about the first 1/3 of the pages. 　Gokaku Probability + Combinations, 2nd edition, 2016 　　　Unused. 　Gokaku Calculation Math III, 5th edition, 2016 　　　Unused. 　All 3 books are in good condition. #szlureExamList