Binary may refer to:

Science and technology


* Binary number, a representation of numbers using only two digits (0 and 1) * Binary function, a function that takes two arguments * Binary operation, a mathematical operation that takes two arguments * Binary relation, a relation involving two elements * Binary-coded decimal, a method for encoding for decimal digits in binary sequences * Finger binary, a system for counting in binary numbers on the fingers of human hands


* Binary code, the digital representation of text and data * Bit, or binary digit, the basic unit of information in computers * Binary file, composed of something other than human-readable text ** Executable, a type of binary file that contains machine code for the computer to execute * Binary image, a digital image that has only two possible values for each pixel * Binary prefix, a prefix attached before a unit symbol to multiply it by a power of 2, e.g. Kbyte * Binary tree, a computer tree data structure in which each node has at most two children


* Binary star, a star system with two stars in it * Binary planet, two planetary bodies of comparable mass orbiting each other * Binary asteroid, two asteroids orbiting each other


* Binary fission, the splitting of a single-celled organism into two daughter cells


* Binary compound, a chemical compound containing two different chemical elements ** Binary explosive, an explosive made of two components that become explosive when mixed ** Binary chemical weapon, containing two chemicals that when combined make a toxic agent

Arts and entertainment

* Binary (comics), a superheroine in the Marvel Universe * ''Binary'' (Doctor Who audio)


* Binary form, a way of structuring a piece of music * ''Binary'' (Ani DiFranco album), 2017 * ''Binary'' (Kay Tse album), 2008 * "Binary" (song), a 2007 single by Assemblage 23


* ''Binary'' (novel), a 1972 novel by Michael Crichton (writing as John Lange) * Binary, an evil organization in the novel ''InterWorld''

Other uses

* Binary betting, a bet on a proposition which is quoted as a spread bet * Binary opposition, polar opposites, often ignoring the middle ground * Binary option, a financial option in which the payoff is either some fixed monetary amount or nothing at all * Binary Research, a company founded in Auckland, New Zealand * Gender binary, the classification of sex and gender into two distinct and disconnected forms of masculine and feminine ** Non-binary gender, gender identities outside the gender binary

See also

* Binary logic (disambiguation) * * * Binomial (disambiguation) * Boolean (disambiguation) * Secondary (disambiguation) * Ternary (disambiguation) * Unary (disambiguation) {{Disambiguation