VARIABLE

Variable

In elementary mathematics, a variable is an alphabetic character representing a number which is either arbitrary or not fully specified or unknown. Making algebraic computations with variables as if they were explicit numbers allows one to solve a range of problems in a single computation. A typical example is the quadratic formula, which allows to solve every quadratic equation by simply substituting the numeric values of the coefficients of the given equation to the variables that represent them.

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variable

Noun

  1. Something that is variable.
  2. Something whose value may be dictated or discovered.
  3. A quantity that may assume any one of a set of values.
  4. A symbol representing a variable.
  5. A named memory location in which a program can store intermediate results and from which it can read them.
  6. A variable star.

Adjective

  1. Able to vary.
    variable winds or seasons; a variable quantity
  2. Likely to vary.
  3. Marked by diversity or difference.
  4. Having no fixed quantitative value.
  5. Tending to deviate from a normal or recognized type.


The above text is a snippet from Wiktionary: variable
and as such is available under the Creative Commons Attribution/Share-Alike License.

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