Mathematics is like our eyes, it can't hold a grain of sand. In the process of mathematical calculation, the error of a number and a decimal point will lead to all calculation errors. Mathematics is the basic subject of all scientific research activities. When astronomers study the trajectory of celestial bodies, mathematical operations play a great role. Have you ever heard of the butterfly effect? If there is a little mistake in the calculation process, the result will be very different. Both Jewish civilization and Mayan civilization are due to their super achievements in mathematics, which can be said to have created these two once brilliant civilizations.