expression
An expression is a symbol or of symbols used to denote a quantity or value. Expressions consist of constants, variables, operations^{}, operators, functions, and parentheses.
Note 1. If an expression one or more operations to be performed in a certain http://planetmath.org/OrderOfOperationsorder, the expression may be named after the last (http://planetmath.org/Iei.e. outermost) operation. For example, the expression ${a}^{2}-5\sqrt{a}+{\displaystyle \frac{2}{3a}}$ is a sum expression.
Note 2. An equation is a denoted equality of two expressions.
References
- 1 Dictionary.com Unabridged (version 1.1). Accessed on February 22, 2008. URL: http://dictionary.reference.com/browse/expressionhttp://dictionary.reference.com/browse/expression
Title | expression |
---|---|
Canonical name | Expression |
Date of creation | 2013-03-22 17:50:11 |
Last modified on | 2013-03-22 17:50:11 |
Owner | Wkbj79 (1863) |
Last modified by | Wkbj79 (1863) |
Numerical id | 7 |
Author | Wkbj79 (1863) |
Entry type | Definition |
Classification | msc 00-01 |
Related topic | Equation |
Defines | sum expression |