Binary means composed of two parts or two pieces. It contrasts with Unary, Ternary, Quaternary, and so on.
Binary may also refer to:
- Binary option, also known as digital option OR all-or-nothing option
- Binary numeral system, a representation for numbers using only two digits (usually, 0 and 1)
- Binary function, a function in mathematics that takes two arguments
- Binary data, composed of something other than human-readable text
- Executable, a "binary", containing machine code for the computer to execute
- Binary compound, a chemical compound containing two different chemical elements
- Binary fission, the splitting of a single-celled organism into two daughter cells
- 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 (novel), a 1972 novel by Michael Crichton (writing as John Lange)
- Binary (comics), a superheroine in the Marvel Universe
- Binary form, a way of structuring a piece of music
- Binary bet, a bet on a proposition which is quoted as a spread bet
- Binary code, the digital representation of text and data.
See also
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