Napier's bones
volume
British pronunciation/nˈeɪpɪəz bˈəʊnz/
American pronunciation/nˈeɪpɪɚz bˈoʊnz/

"Napier's bones" 的定义和意义

Napier's bones
01

纳皮尔的骨头

a set of numbered rods used for multiplication and division, invented by John Napier in the 17th century
download-mobile-app
下载我们的移动应用
Langeek Mobile Application
下载应用程序
LanGeek
下载应用程序
langeek application

Download Mobile App

stars

app store