Binary


The binary numeral system, is the base-2 number system, and uses the digits 0 and 1.

Because of its importance in digital technology, it is next to the decimal system, the most important number system

Octal


The octal numeral system, is the base-8 number system, and uses the digits 0 to 7.

The system is used in computer engineering. Each octal number can be represented by three bits.

Decimal


The decimal numeral system, is the base-10 number system, and uses the digits 0 to 9.

The probable starting point of the decimal counting are the ten fingers on two hands. The system is next to the binary system the most important number system.

Hexadecimal


The hexadecimal numeral system, is the base-16 number system, and uses the digits 0 to 9 and A to F.

Hexadecimal numerals are widely used by programmers, as they provide a human-friendly representation of binary values.

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