How to use Zhouyi to calculate hexagrams?

The hexagrams are always like words, and easy words are always like words, just like the economic environment of the whole world and China. In addition, if it is a prediction, there are basically no special hexagrams to calculate, and there are basically two kinds of predictions with hexagrams, one plum blossom and two or six hexagrams. Divination is just a reference, it can't determine success or failure, it can only predict some things that happen in the process, or the nature of things and so on. There are also poor processes but ultimately successful, and there are also good processes but ultimately failed. Group 7393 1289 is an arithmetic group.