Period1911918, bharathi? Krishna? Dilaghi devoted himself to studying the ancient Vedic classics in India, and reconstructed the mathematical calculation system on this basis. After his success, he spread all over the world and became a world-renowned Indian scholar and mathematician. In Krishna? In Dilaghi's research, mathematics is based on 16 scripture. In 1960s, he introduced this mathematical computing system to Britain. At that time, this computing system attracted much attention as a non-mainstream mathematical system, and was called "bharathi? Krishna? Draghi's Vedic Mathematics.