# Mathematician:Zu Chongzhi

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## Contents

## Mathematician

Prominent Chinese mathematician and astronomer.

Derived the most accurate approximation for $\pi$ for over nine hundred years.

Credited (along with Zu Geng) with proving the volume of the sphere using the same principle as Bonaventura Francesco Cavalieri.

Father of Zu Geng.

## Nationality

Chinese

## History

- Born: 429, Jiankang, (now Nanking, Kiangsu province), China
- Died: 501, China

## Theorems and Definitions

- The Zu Chongzhi Fraction $\dfrac {355} {113}$ for pi.

## Writings

*Zhui Shu*("Method of Interpolation") (now lost)

## Also known as

- Simplified Chinese:
**祖冲之** - Traditional Chinese:
**祖冲之** - Pinyin:
**Zǔ Chōngzhī** - Wade–Giles:
**Tsu Ch'ung-chih** - Courtesy name
**Wenyuan**(**文遠**)

## Sources

- 1986: David Wells:
*Curious and Interesting Numbers*... (previous) ... (next): A List of Mathematicians in Chronological Sequence - 1997: David Wells:
*Curious and Interesting Numbers*(2nd ed.) ... (previous) ... (next): A List of Mathematicians in Chronological Sequence - 2008: David Nelson:
*The Penguin Dictionary of Mathematics*(4th ed.) ... (previous) ... (next): Entry:**Tsu Chung Chi** - 2008: David Nelson:
*The Penguin Dictionary of Mathematics*(4th ed.) ... (previous) ... (next): Entry:**Zhu Chongzhi (Tsu Chung Chi)**(ad 429-500)