How to use the Book of Changes for divination more accurately?

I want to know what you want. Yi-ology covers all aspects of life. According to predecessors' summary, there are 18 species. (Time, personnel, home, house, marriage, production, diet, seeking fame, wealth, trading, travel, pedestrians, interviews, lost property, diseases, official lawsuits, graves)

But nothing is 100% accurate. If you are just interested, you can try some software directly on the Internet, just for entertainment. If you really want to study, it's not just talk.