The $ (dollar sign) symbol is used to represent various forms of currency around the world, most notably the united states dollar. · nobody knows for certain who invented the dollar sign. It also transcends currency, having become a widespread symbol in pop culture. For example, $20 represents twenty dollars. Dollar sign, $, symbol that represents the dollar, the name of the standard monetary unit used in the united states, canada, australia, new zealand, and a number of other countries and territories. Rendered as the letter “s” struck through with one or two vertical lines, its use dates back at least to the late eighteenth century. The dollar sign, also known as the peso sign, is a currency symbol consisting of a capital s crossed with one or two vertical strokes ($ or depending on typeface), used to indicate the unit of various currencies around the world, including most currencies denominated dollar or peso. · the dollar sign, or “$,” is one of the most recognizable currency symbols in the world, instantly understood across languages and cultures. · today, the dollar sign is a symbol of american power. Learn how this unusual character evolved from colonial currency to the center of the financial system. · discover the meaning and uses of the dollar sign ($) in computing, from its placement on keyboards to its role in programming languages and social networking.