Editing DX (section)

==In science, technology, and mathematics==
===Biology and medicine===
* [[Medical diagnosis|Diagnosis]], Dx or D<sub>x</sub> in medical shorthand
* DX (Double crossover) molecule or motif, in [[DNA nanotechnology]]
* [[Digital radiography]], in the DICOM standard

===Computing and telecommunications===
* [[Developer experience]] the experience of using a product or service from a developer's perspective
* [[DOCSIS|Dx]], an abbreviation used in relation to the DOCSIS telecommunications standard 
* [[DirectX]], an application programming interface collection
* ''Double word eXternal'', in the context of [[386DX]] and [[486DX]] CPUs
* [[DXing]], in amateur radio and broadcasting
* [[DX register]], a 16-bit general-purpose X86 processor register
* [[Digital transformation]], the use of new digital technology in problem-solving applications

===Photography===
* [[DX encoding]], a standard marking for 35&nbsp;mm and APS film cartridges
* [[Nikon DX format]], a sensor/lens format for Nikon cameras

===Vehicles===
* [[Albatros D.X]], a 1918 German prototype single-seat fighter biplane
* [[Bavarian D X]], an 1890 German saturated steam locomotive model
* [[Fokker D.X]], a 1918 Dutch fighter aircraft
* The [[LNWR DX Goods class]], the largest class of British steam locomotives
* [[New Zealand DX class locomotive]], operated by KiwiRail

===Other uses in science, technology, and mathematics===
* {{mvar|dx}}, in calculus, a differential in [[Leibniz's notation]] of a variable ''x''
* Direct exchange (DX), [[direct exchange geothermal heat pump]], an energy-efficiency environmental control cooling technology
* [[Yamaha DX Series]], FM synthesizers produced by Yamaha Corporation