Zu Chongzhi accurately calculated the value of pi to seven decimal places. 祖冲之很早就把圆周率准确推算到小数点后七位。
Ignoring a clunky numerical system and devising his own, he demonstrated the nature of infinity and calculated a value for pi. 他否决了当时繁冗的数字表达方式，发明出自己的数字系统，证明了自然的无穷性，并计算出圆周率的值。
