How to calculate divination and predict fortune-telling with the Book of Changes?

There is no most accurate, only more accurate O(∩_∩)O Haha ~

Only by laying a good foundation can we be more accurate. Just like Gai Lou, the higher the building, the better the foundation.

After learning, I finally found that basic things are used, such as Wuji, Taiji, Yin and Yang, and Five Elements.