NX

NX has multiple meanings:

• A starship registry prefix in Star Trek.
• NX class starship, a class of Starfleet vessels in Star Trek: Enterprise.
• NX bit, for marking parts of computer memory as "no execute"
• NX, the IATA code for Air Macau.
• NX technology, developed by NoMachine that makes remote X11 connections over small bandwidth/high latency links fast enough to work with remote desktops.
• net exports, in economics.
• NX (Unigraphics), a CAD software product from UGS.
• Nissan Pulsar NX and Nissan NX, a range of subcompact coupes offered by Nissan from the 1980s to 1993.
• National Express routes; for example NX025 London-Brighton route via Gatwick Airport.
• 'Entrance-Exit' route setting, in Railway signalling.