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鲁道夫·范科伊伦

鲁道夫·范科伊伦(德语:Ludolph van Ceulen,1540年1月28日—1610年12月31日),荷兰数学家,生于德国希尔德斯海姆,后移居荷兰执教击剑数学。1594年,他在莱顿开办了一家击剑学校。1600年,他被莱顿大学聘任为第一位数学教授。后在莱顿去世。

鲁道夫·范科伊伦

鲁道夫·范科伊伦把他一生的大部分时间花在计算圆周率上。他运用的是1800年前阿基米德所适用的割圆法。他用2的六十二次方边形,将圆周率计算到小数点后第35位。他对自己的这个成就感到非常自豪,以致这个数被刻在他的墓碑上;直到今天,德国人还常常称这个数为“鲁道夫数”。

他的计算成果就是这个数字:

3.14159 26535 89793 23846 26433 83279 50288...
De circulo & adscriptis liber (1619)

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鲁道夫·范科伊伦
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