1, astrology was invented by Ye Li, a mathematician in Yuan Dynasty. He used to be a small official in the Jin Dynasty. After the Yuan Dynasty, he lived in seclusion in Wanshan and devoted himself to learning. 1248, he wrote 12, and discussed "the art of heaven" by solving the inscribed circle problem of a right triangle.

2. Astrology is a general method of using unknown equations, which is basically consistent with the method of equations in modern algebra. In ancient mathematics, equation and solution are two important interrelated problems.