Cách sử dụng
The word 'operator' can have different meanings depending on the context. It is usually used to refer to a person or a thing that manages or controls something. For example, when you use a phone, the person who answers your call is called a 'phone operator'. They help connect you to the person you want to talk to. In mathematics, the word 'operator' is used to describe a symbol or a function that performs a specific calculation or operation. For instance, the plus sign (+) is an operator that adds two numbers together. In computer programming, an 'operator' is a symbol or a command that performs a specific task or operation on a variable or a value. For example, the multiplication sign (*) is an operator that multiplies two numbers in a program. Overall, 'operator' is usually used to describe someone or something that controls or performs a specific function or operation in different fields.