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Usd is the legal abbreviation of the United States, that is, the United States dollar. The world takes the United States dollar as the currency, and the main commodities are settled with the United States dollar, so the United States dollar has the nature of being the world’s largest currency.
United States Dollar (USD;
ISO 4217 Currency code: USD;
Symbol: USA$) is the legal tender of the United States of America, the Republic of El Salvador, the Republic of Panama, the Republic of Ecuador, the Democratic Republic of East Timor, the Republic of the Marshall Islands, the Federated States of Micronesia, the Republic of Kiribati, and the Republic of Palau.
The dollar bills in circulation are all the bills that have been issued since 1929.
Congress is responsible for the issuance of dollars, and the Federal Reserve Bank is responsible for the issuance of dollars.
After World War II, continental European countries reached an agreement with the United States to use the U.S. dollar for international payments. Since then, the U.S. dollar was widely used as a reserve currency in countries outside the United States and eventually became a reserve currency.
“$” is a symbolic symbol.
There are many theories about the origin of the dollar sign, of which two are more common.
According to one theory, the symbol was formed by placing a narrower U over a wider S, so it represented the United States.
Another theory is that it is an evolution of the PS superposition.
PS is short for the Pesos, an American round coin of the 18th and 19th centuries that was used throughout the country until 1974, when the U.S. mint was officially established.
Later, the U.S. government recognized the $symbol as a unit of the new currency, the dollar.
When writing, put the $in front of the number.
If you write $1, you write $1. If you write $50 you write $50.
