Binary

Binary may refer to:

Science and technology

Binary number, a representation of numbers using only two values (0 and 1) for each digit
Binary function, a function that takes two arguments
Binary operation, a mathematical operation that takes two arguments
Binary relation, a relation involving two elements
Finger binary, a system for counting in binary numbers on the fingers of human hands

Binary code, the representation of text and data using only the digits 1 and 0
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 tree, a computer tree data structure in which each node has at most two children
Binary-coded decimal, a method for encoding for decimal digits in binary sequences

Binary star, a star system with two stars in it
- X-ray binary, a type of stellar binary that is luminous in x-ray frequencies
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, the name of two superheroines in the Marvel Universe
- Binary (Carol Danvers), a Marvel Comics character
- Binary (Marvel Cinematic Universe), or Maria Rambeau, a Marvel Cinematic Universe character

Binary opposition, polar opposites, often ignoring the middle ground
Gender binary, the classification of gender into two distinct and disconnected forms of masculine and feminine