527 digits correctly in the years preceding 1873. After this, no further progress was made until the ways of reading 10th edition pdf medieval period. This claim has met with skepticism.

5 percent below the exact value. He also suggested that 3. 14 was a good enough approximation for practical purposes. 1415927, which was correct to seven decimal places. Zu Chongzhi’s result surpasses the accuracy reached in Hellenistic mathematics, and would remain without improvement for close to a millennium. Chinese mathematics, and to about five in Indian mathematics. Each subsequent subplot magnifies the shaded area horizontally by 10 times.

208 decimal places, of which the first 152 were correct. 1706 and his method is still mentioned today. This was accomplished in 1873, with the first 527 places correct. He would calculate new digits all morning and would then spend all afternoon checking his morning’s work.