Hexadecimal System The hexadecimal system is a positional number system that uses base 16 to represent different values.Therefore,this number system is known as base-16 system. As this system uses base 16,16 symbols are available for representing the values in this system. These symbols are the digits 0-9,which are used to represent the decimal values 0 through 9,and the letters A,B,C,D,E and F,which are used to represent the decimal values 10 through 15Hexadecimal System ◼ The hexadecimal system is a positional number system that uses base 16 to represent different values. Therefore, this number system is known as base-16 system. ◼ As this system uses base 16, 16 symbols are available for representing the values in this system. These symbols are the digits 0-9, which are used to represent the decimal values 0 through 9, and the letters A, B, C, D, E and F, which are used to represent the decimal values 10 through 15