Pronunciation: /ɪkˈsprɛ ʃən/ ?

An expression is a set of variables, numbers, operators, parenthesis and functions without any equal sign or inequalities that has mathematical meaning. Examples of expressions include:

Examples of mathematical formulas that are not an expression are:
t = 4
0 = x2-4x+2
x+5 ≤ 37


  1. expression. WordNet. Princeton University. (Accessed: 2011-01-08).
  2. Keigwin, H. W.. Principles of Elementary Algebra, pg 4. Ginn & Company, 1886. (Accessed: 2010-01-12).
  3. Alan S. Tussy, R. David Gustafson. Elementary and Intermediate Algebra, 4th edition, pp 74-78. Brooks Cole, April 7, 2008. (Accessed: 2010-02-03).

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Cite this article as:

Expression. 2010-02-02. All Math Words Encyclopedia. Life is a Story Problem LLC.


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Revision History

2010-02-03: Added "References" (McAdams, David.)
2008-08-01: Added several vocabulary links (McAdams, David.)
2007-07-12: Initial version (McAdams, David.)

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