Difference between revisions of "Unknown"

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(New page: In mathematics, when a letter is used to represent a number or set of numbers it is called an unknown. This letter usually has a very specific range of values, unlike a variable which...)
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Revision as of 19:08, May 14, 2007

In mathematics, when a letter is used to represent a number or set of numbers it is called an unknown. This letter usually has a very specific range of values, unlike a variable which can be changed arbitrarily to alter the value of a function which acts on the variable.