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.]]
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