This cookie is set by GDPR Cookie Consent plugin. The cookie is set by GDPR cookie consent to record the user consent for the cookies in the category "Functional". The cookie is used to store the user consent for the cookies in the category "Analytics". These cookies ensure basic functionalities and security features of the website, anonymously. Necessary cookies are absolutely essential for the website to function properly. Liu Hui was the first Chinese mathematician to provide a rigorous algorithm for calculation of π to any accuracy. All these empirical π values were accurate to two digits (i.e. Who was the first Chinese mathematician to calculate π?Īnother mathematician Wang Fan (219–257) provided π ≈ 142/45 ≈ 3.156. Chinese mathematician Zhu Chongzhi (AD 429-500) used a similar method to approximate the value of pi, using a 12,288-sided polygon. He accomplished this by finding the areas of two polygons: the polygon that was inscribed inside a circle, and the polygon in which a circle was circumscribed (see figure above, right). How did Zhu Chongzhi calculate the value of Pi? Who was the first person to calculate the value of Pi?Ĭhinese mathematician Zhu Chongzhi (AD 429-500) used a similar method to approximate the value of pi, using a 12,288-sided polygon. In 263 AD, L iu Hui independently discovered the method used by Bryson and Antiphon, and calculated the perimeters of regular inscribed polygons from 12 up to 192 sides, and arrived at the value pi = 3.14159, which is absolutely correct as far as the first five digits go. The earliest value of pi used in China was 3. Liu Hui’s own calculation with a 96-gon provided an accuracy of five digits: π ≈ 3.1416. The closest approximation of Pi for nearly a thousand years was calculated by Chinese mathematician Zu Chongzhi around 480 CE, using an algorithm developed by Liu Hui. He proposed a very fast and efficient approximation method, which gave four accurate digits. 265, Chinese mathematician Liu Hui created another simple polygon-based iterative algorithm. 150, Greek-Roman scientist Ptolemy used this method to calculate a value of 3.1416. When was Liu Hui pi calculation?Īround A.D. He gave another value of 3927/1250 or 3.1416 which he said could be verified when calculations reached the polygon of 3,072 sides. The first calculation of π was done by Archimedes of Syracuse (287–212 BC), one of the greatest mathematicians of the ancient world.įrom these figures he deduced an approximate value for pi of 157/50 or 3.14. The Egyptians calculated the area of a circle by a formula that gave the approximate value of 3.1605 for π. 5 Who was the first Chinese mathematician to calculate π?.4 Who was the first person to calculate the value of Pi?.
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