What is the Greek letter for 'Χ'?

The Greek letter 'Χ' is known as Chi. It is the 22nd letter of the Greek alphabet and is often used in various contexts, including mathematics and science, where it can represent a variable or an unknown quantity. Chi is also significant in various cultural applications, such as in the names of organizations, including fraternities and sororities. Understanding the Greek alphabet, including the meanings and representations of its letters, is essential for those studying Greek culture or involved in organizations that utilize Greek letters in their naming conventions. This knowledge helps one navigate discussions and texts that reference Greek terminology effectively.