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  • Topic: Variable
  • Title: Variable
  • Post date: 8/8/2012
  • Posted by: rachel
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  • Description: In mathematics, a variable is a value that may change within the scope of a given problem or set of operations. In contrast, a constant is a value that remains unchanged, though often unknown or undetermined.[1] The concepts of constants and variables are fundamental to many areas of mathematics and its applications. A "constant" in this context should not be confused with a mathematical constant which is a specific number independent of the scope of the given problem. This sign video was contributed by users of the ASL-STEM Forum: http://aslstem.cs.washington.edu/