07FIamrATrx0lpi$$ is a special character called the dollar sign. It is used for various purposes, including:
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Currency symbol. The dollar sign is commonly used to represent the United States dollar and other currencies denominated in dollars, such as the Canadian dollar, Australian dollar, and Hong Kong dollar. For example, “$100” represents one hundred US dollars.
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Variable in programming. In many programming languages, the dollar sign is used as a prefix for variable names. For example,
$namein PHP or$xin JavaScript represent variables. -
Placeholder for text. In some contexts, the dollar sign is used as a placeholder for text that is to be replaced with a specific value. For example, in a template for generating emails, “$name” might be used as a placeholder for the recipient’s name.
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Mathematical symbol. In mathematics, the dollar sign is sometimes used to denote the modulus function, which returns the remainder of a division operation. For example, “10 $ 3” would equal 1, since 10 divided by 3 has a remainder of 1.
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Other uses. The dollar sign is also used in various other contexts, such as:
- As a symbol for money in general
- As a unit of measurement for electrical resistance (ohm)
- As a symbol for the United States of America
- In various logos and branding elements
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