On the volume of a sphere (Q1202999)

Contents of the paper: 1. Archimedes and the volume of a sphere; 2. The Chinese on the volume of a sphere; 3. The relation between Pythagoras and Old-Babylonian mathematics; 4. Comparison of Chinese and Old-Babylonian mathematics; 5. Chronology of the Old-Babylonian, Chinese-like, and Vedic-like mathematics; 6. How far back do infinitesimals go? 7. How old is the problem of the volume of a sphere? This interesting paper contains controversial opinions and discussions and throws new light on many problems of ancient mathematics.