Difference between revisions of "Unknown"
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| + | 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.<ref>http://www.icoachmath.com/Sitemap/Unknown.html</ref> | ||
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| + | ==References== | ||
| + | <references/> | ||
| + | [[category:mathematics]] | ||
Revision as of 04:05, June 28, 2010
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.[1]