Tsu Ch'ung-Chi --- Ratio of Circumference to Diameter:Amazon.co.uk:Appstore for Android
SOLVED: Former Chinese mathematician Tsu Chung Chi (429-500 AD) proposed a method to compute an approximation to the value of the unit circle. He calculated the areas of inscribed regular 6-sided, 12-sided,
Tsu Chung-Chi
Zu Chongzhi
Tsu-Chung SU | National Taiwan Normal University, Taipei | NTNU | Department of English | Research profile
Tsu Chung-Chi: A Mathematician by tori hooker
Tsu Chung-Chi - Wikidata
AS16-122-19468 - Apollo 16 - Apollo 16 Mission image - View of the Tsu Chung -Chi Crater. - PICRYL - Public Domain Media Search Engine Public Domain Search
Pi greco il Teorema del delirio
The 5th Century's Human Computer; Zu Chongzhi | The Nanjinger
Tsu Chung-Chi
File:Tsu Chung-Chi crater 5124 med.jpg - Wikipedia
Zu Chongzhi (429 - 501) - Biography - MacTutor History of Mathematics