ABSTRACT
There are nine columns in each half folio with twenty-two characters in the first column of each paragraph and twenty-one characters in the rest of the paragraph. Annotations are given in smaller type and in double lines. The title of the book, the name of the chapter and the number of the folio are given in the middle of each folio. This book deals with plane and spherical trigonometry, see Li Yen 1976, pp. 241-242; SHS, pp. 240-244.
