Differential (mathematics) comprises multiple related meanings of the word, both in calculus and differential geometry, such as an infinitesimal change in the value of a function
Differential (coboundary), in homological algebra and algebraic topology, one of the maps of a cochain complex
Differential cryptanalysis, a pair consisting of the difference, usually computed by XOR, between two plaintexts, and the difference of the corresponding ciphertexts
Science and technology
Differential (mechanical device), as part of a motor vehicle drivetrain, the device that allows driving wheels or axles on opposite sides to rotate at different speeds
Differential steering, the steering method used by tanks and similar tracked vehicles
Electronic differential, an electric motor controller which substitutes its mechanical counterpart with significant advantages in electric vehicle application
Differential signaling, in electronics, applies to a method of transmitting electronic signals over a pair of wires to reduce interference
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