The concept of horoscope, which originated in Mesopotamia, was brought to China through India and became intertwined with the Taoist philosophy that seeks to understand the laws of the universe, morality, beauty, and truth. In China, a diverse country with many ethnic groups, REKIGAKU has been widely studied and applied for understanding and harnessing the abilities of people with different backgrounds and values.
The logical structure of the Yin-Yang and Five Elements Theory was established over 2500 years ago and can now be translated into a programming language. In the past, calculations were done using an abacus, but with the advent of computers, precise calculations can be done instantly. This makes it a promising field for future development.