American Dao is another name for the dollar, which is directly transliterated from the English dollar of the dollar. Its original pronunciation is "Dao" in Chinese, so it is called American Dao.
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.
The denomination of the dollar currency is:
Coins: 1 cent, 5 cents, 1 cent, 25 cents, 50 cents,1dollar.
Paper money: 1 USD, 2 USD, 5 USD,1USD, 20 USD, 50 USD, 100 USD.
Extended data:
There are many theories about the origin of the dollar sign $,among which two are common. One view is that this symbol is formed by putting a narrow U on a wide S, so it represents the American dollar symbol. Another way of saying it is that it is the evolution of PS superposition writing.
PS is the abbreviation of peso, which is a round coin from 18 to 19 century in the United States. This kind of coin has been used all over the country since 1974 was formally established as a mint in the United States.
Baidu Encyclopedia-USD
Bank of China official website-China Bank foreign exchange quotation