Napier's bones
01
纳皮尔的骨头, 纳皮尔棒
a set of numbered rods used for multiplication and division, invented by John Napier in the 17th century
语法信息
有生性状态
无生命
形态构成
复杂复合词
可数
复数形式
Napier's bones
例子
The mathematician demonstrated how to use Napier's bones to perform rapid calculations.
数学家演示了如何使用纳皮尔算筹进行快速计算。



























