Can you tell me what this sign means

^

The number that follows ^ indicates the power.

Examples:
3^2 = 3 squared
3^3 = 3 to the third power
3^4 = 3 to the fourth power

You probably won't see or use the ^ symbol in class or your textbook, but it is commonly used here and in other computer forums where the typing options are limited. You can also have Google do calculations for you if you usxe the ^ exponent symbol.

For example,
http://www.google.com/search?source=ig&hl=en&rlz=&q=2+*+%284%5E3%29+%3D+&btnG=Google+Search

The sign "^" is known as the caret symbol or the circumflex symbol. It has several meanings depending on the context in which it is used.

In mathematics, the caret symbol is often used to represent exponentiation or raising a number to a power. For example, 2^3 means raising 2 to the power of 3, which is equal to 2 * 2 * 2 = 8.

In computer programming, the caret symbol may have different uses in different programming languages. In some languages, it represents the bitwise XOR operation, which is a binary operation that returns true if the corresponding bits in two operands are different. In other languages, it could represent a logical XOR operation or other operations specific to the programming language.

Outside of mathematics and programming, the caret symbol may have other meanings in various contexts. For instance, in some languages, it can be used as a diacritic mark indicating a different way of pronouncing a letter or representing a specific sound. It can also be used in regular expressions to indicate pattern matching, among other uses.

To fully understand the meaning of the caret symbol in a specific context, it is important to consider the context in which it appears and refer to any relevant documentation or material associated with that context.