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scalar

The Columbia Encyclopedia, 6th ed. | 2011 | Copyright

scalar quantity or number possessing only sign and magnitude, e.g., the real numbers (see number ), in contrast to vectors and tensors ; scalars obey the rules of elementary algebra. Many physical quantities have scalar values, e.g., length, area, mass, energy, and electric charge. Such quantities as velocity, force, momentum, and spin are vectors and follow different algebraic rules.

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"scalar." The Columbia Encyclopedia, 6th ed.. 2011. Encyclopedia.com. (May 27, 2012). http://www.encyclopedia.com/doc/1E1-scalar.html

"scalar." The Columbia Encyclopedia, 6th ed.. 2011. Retrieved May 27, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1E1-scalar.html

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scalar

The Oxford Pocket Dictionary of Current English | 2009 | Copyright

sca·lar / ˈskālər/ Math. Physics • adj. Math. & Physics (of a quantity) having only magnitude, not direction. • n. Math. & Physics a scalar quantity. Compare with vector (sense 1).

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"scalar." The Oxford Pocket Dictionary of Current English. 2009. Encyclopedia.com. 27 May. 2012 <http://www.encyclopedia.com>.

"scalar." The Oxford Pocket Dictionary of Current English. 2009. Encyclopedia.com. (May 27, 2012). http://www.encyclopedia.com/doc/1O999-scalar.html

"scalar." The Oxford Pocket Dictionary of Current English. 2009. Retrieved May 27, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O999-scalar.html

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scalar

A Dictionary of Computing | 2004 | | Copyright

scalar A number comprising a single value (such as an integer or real number), as opposed to a complex number (containing two scalars) or a vector (which is a scalar only in the special case of its containing one number).

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JOHN DAINTITH. "scalar." A Dictionary of Computing. 2004. Encyclopedia.com. 27 May. 2012 <http://www.encyclopedia.com>.

JOHN DAINTITH. "scalar." A Dictionary of Computing. 2004. Encyclopedia.com. (May 27, 2012). http://www.encyclopedia.com/doc/1O11-scalar.html

JOHN DAINTITH. "scalar." A Dictionary of Computing. 2004. Retrieved May 27, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O11-scalar.html

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scalar

World Encyclopedia | 2005 | Copyright

scalar Mathematical quantity that has only a magnitude, as opposed to a vector, which also has direction. Mass, energy, and speed are scalars.

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"scalar." World Encyclopedia. 2005. Encyclopedia.com. 27 May. 2012 <http://www.encyclopedia.com>.

"scalar." World Encyclopedia. 2005. Encyclopedia.com. (May 27, 2012). http://www.encyclopedia.com/doc/1O142-scalar.html

"scalar." World Encyclopedia. 2005. Retrieved May 27, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O142-scalar.html

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