1, a vertical dollar in the US dollar, for example, HK$ is Hong Kong dollars, US$ is US dollars, Can$ is L Canadian dollars, and A$ is Australian dollars.
2, a vertical dollar is not written in front of the United States, usually refers to the dollar, but it is not very standardized.
There are many theories about the origin of this symbol, among which the most common ones are.
1, one saying is that in this symbol, a narrow U is placed on a wide S, representing UnitedStates.
2. Another view is the evolution of PS superposition writing. PS is the abbreviation of peso, which is an early round coin in America. This coin was used in the United States until 1974 when the mint was formally established in the United States. Later, the American government recognized the symbol $ as the unit of the new currency, that is, one dollar. When writing, $ should be placed before the number. For example, $ 1 should be written as $ 1, and 50 should be written as $50.
Extended data:
1, dollar bills
The main scene pattern on the front of the US dollar bill is a person's head, and the main color is black. The main landscape pattern on the back is architecture, and the main color is green, but there is little difference between different versions, such as the back of 1934 is dark green, the back of 1950 is grass green, and the back of 1963 is dark green. The signature above is the signature of the finance minister, and different release years are different finance ministers.
2. Dollar coins
There are six denominations of coins in circulation in the United States: 1, 5, 10, 25, half a dollar, 1 yuan. In American history, the heads of six famous presidents appeared on these six denominations respectively.
The design of 1 cent is a profile portrait of the famous President Lincoln in American history, which was released on the occasion of Lincoln's birthday100th anniversary. The design of 5 cents was issued to commemorate the 30th anniversary of Jefferson/Kloc-0, the third president of the United States and the drafter of the American Declaration of Independence.
The pattern of 10 cent was issued on the first anniversary of the death of President Roosevelt, who implemented the "Roosevelt New Deal"; Twenty-five cents is the most common token in the United States, which was issued on the 200th anniversary of the birth of Washington, the founding president of the United States.
Baidu Encyclopedia-USD