Definition of SAS Variables

are containers that you create within a program to store and use character and numeric values. Variables have attributes, such as name and type, that enable you to identify them and that define how they can be used.

are variables of type character that contain alphabetic characters, numeric digits 0 through 9, and other special characters.

are variables of type numeric that are stored as floating-point numbers, including dates and times.

refers to the degree of accuracy with which numeric variables are stored in your operating environment.