这位中世纪数学家因推广阿拉伯数字系统而闻名于世,该系统使用零、小数点和10个数字,而不是笨重的罗马数字系统。不过,最著名的还是他的数字序列:0,1,1,2,3,5,8……这个数列从第3项开始,每一项都等于前两项之和。忽略掉零,前四个数字对应今天的日期11/23。
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