Mei Hua yi Shu

This was initiated by Shao Kangjie, a master of Yi Studies in Song Dynasty. It means: when a person comes to ask uncertain things, he doesn't need divination, just look at time, direction, age and so on. When he comes, he rubs up and analyzes mathematics, just like the petals of a plum blossom falling down. Therefore, it is named after this feature of plum blossom.

The following is the revision of September 2006-13- 15: 08:

Note: There is another saying: The Book of Changes of Plum Blossoms was written by Jing Fang. Let's verify it here