刘徽的“割圆术”
2015-01-14 05:00
本GeoGebra范例演示了中国古代数学家刘徽的“割圆术”。通过构造圆内接正多边形，利用极限思想逐步逼近圆的面积与周长，从而计算圆周率。范例结合序列、向量、平移等几何作图命令，动态展示了多边形边数增加时与圆逐渐贴合的过程，是理解极限概念与古典几何算法的绝佳教学工具。
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