A Binary Number is made up of only 0s and 1s. There is no 2, 3, 4, 5, 6, 7, 8 or 9 in Binary. Binary numbers have many uses in mathematics and beyond.
Learn the basics of binary numbers and the binary system and understand how to convert between binary and decimal numbers with examples.Complete beginners guide
The binary number system is a base 2 system that uses only the numerals 0 and 1 to represent "off" and "on" in a computer's electrical system. The two binary digits 0 and 1 are used in combination to communicate text and computer processor instructions.