The "Greater Than Sign" is a mathematical symbol represented as ">". It is used to compare two values, indicating that the value on the left is larger than the value on the right. For example, in the expression 5 > 3, it shows that 5 is greater than 3. This sign is commonly used in various fields, including mathematics, computer science, and economics. In addition to its basic function, the greater than sign can also be used in inequalities and equations. It helps in solving problems where determining the relative size of numbers is essential. Understanding this symbol is fundamental for students learning about mathematics and algebra.