History: -Quaternion

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__Quaternion__ - A hypercomplex number consisting of a real part and three imaginary parts hence "quat". The quaternions with a magnitude (length) of one represent all possible orientations (thus rotations) in 3D. Quaternions are used in Ogre to represent the orientation of objects in 3D space. This orientation quaternion can be thought of as a rotational offset from an objects initial facing {LEX()}vector{LEX}.

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* [http://www.ogre3d.org/docs/api/html/classOgre_1_1Quaternion.html|Ogre::Quaternion Class Reference]
* ((Quaternion and Rotation Primer)) 
* [http://www.cprogramming.com/tutorial/3d/quaternions.html|External Quaterion Tutorial] - on ''cprogramming.com''
* [http://www.gamedev.net/page/resources/_/reference/programming/math-and-physics/quaternions/quaternion-powers-r1095|Quaternion Powers] - Nice article on ''gamedev.net''

Additionally/__TODO__:
Add links from page ((Quaternion and Rotation Primer)) (look to bottom)
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