Examples of exchange rate conversion:
If a pack of paper towels is RMB in 3 yuan, it is USD: 3*0. 142 USD =0.426 USD.
If a hot water kettle needs 10 USD, it needs RMB: 10*7.0406 RMB =70.406 RMB. ?
Dollar (abbreviation: USD；; Fei O 42 17 Currency code: USD, symbol: USA$) is the legal tender of the United States of America. At present, the U.S. dollar bills in circulation are all versions issued since 1929.
Extended data:
Dollar is called "beautiful knife" because its English is Dollar, and its initial sound is very similar to the Chinese word "knife". After a slow evolution, many young people like to say "beautiful knives" instead of dollars.
"$" is the representative symbol of the dollar symbol. The origin of "$" can be traced back to the beginning of16th century. Spain minted a silver dollar called "peso". This silver dollar pattern has a crown and a royal badge (lion and castle) on one side and two pillars on the other. According to western mythology, they are the pillars of Hercules, representing the peaks on both sides of the Gibraltar Strait.
According to legend, Europe and Africa were linked together a long time ago, and were later pulled apart by Hercules. 1732, Mexico city cast a "double-column silver dollar" by machine, and its figure was similar to that of "peso". It's just that the patterns of the eastern and western hemispheres are added between the two columns, and each column has a pattern curled into the shape of "$ $". After a long time, people regard "$" as the symbol of silver dollar.
Baidu Encyclopedia-USD