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History
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A traditional Chinese scale
A traditional Chinese scale
Bronze ruler from the Han dynasty (206 BCE to CE 220); excavated in Zichang County; Shaanxi History Museum, Xi'an
Bronze ruler from the Han dynasty (206 BCE to CE 220); excavated in Zichang County; Shaanxi History Museum, Xi'an
Chinese measuring tape
Chinese measuring tape
Chinese measurement law in 1915
Chinese measurement law in 1915
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Hexadecimal finger-counting scheme
Hexadecimal finger-counting scheme
The programmable RPN-calculator HP-16C Computer Scientist from 1982 was designed for programmers. One of its key features was the conversion between d
The programmable RPN-calculator HP-16C Computer Scientist from 1982 was designed for programmers. One of its key features was the conversion between different numeral systems (note hex number in display).