X2 718357 223237010 2008-07-03T05:08:37Z 189.191.23.141 /* Transportation craft */ '''X2''' may refer to: ==Mathematics== * [[Square (algebra)]], also known as the "algebraic square", a concept in algebra * [[Chi-square distribution]], a theoretical probability distribution widely used in inferential statistics ==Films== * [[X2 (film)|''X2'']], a 2003 American movie also known as ''X-Men United'' * ''[[XXX: State of the Union]]'', also known as ''X2'' or ''XXX²'', a 2005 American film ==Video games== * ''[[X2 (game)|X2]]'', a video game * ''[[Final Fantasy X-2]]'', a role-playing video game * ''[[Megaman X2]]'', a platform game * ''[[X²: The Threat]]'', a space simulation game ==Transportation craft== * [[Bell X-2]], an experimental supersonic aircraft * [[Sikorsky X2]], a prototype, coaxial high-speed helicopter * [[SpaceShipOne flight 17P]], also known as "X2", the second Ansari X Prize flight * [[Skycycle X-2]], a rocket used by Evel Knievel * [[HM Submarine X2]], a Royal Navy submarine. * [[Bathyscaphe Trieste II|Bathyscaphe ''Trieste II'']], also known as ''X-2'', the US Navy bathyscaphe based on the ''Trieste'' * [[X2 train]], used for the X2000 train system in Sweden * [[X2 (PWC)]], a personal water craft ==Computer related== * [[X2 (protocol)]], a pre-V.90 standard for 56k downstream modem communications * [[Athlon 64 X2]], the first dual-core desktop CPU manufactured by AMD * A two-lane [[PCI Express]] slot * A type of [[10 Gigabit Ethernet]] optical transciever ==Other== *[[X² (roller coaster)]], a Roller Coaster at Six Flags Magic Mountain * The counterintelligence branch of the [[Office of Strategic Services]], an American agency during World War II * X-2 is the name of the fictional space shuttle series in the Epcot attraction, [[Mission: Space]] * X-2 is the name of the Hydrofoil owned by the Venture family on the [[Venture Bros.]] {{disambig}} [[de:X2]] [[es:X2]] [[fr:X2]] [[it:X2]] [[ja:X2]] [[pl:X2]]