In mathematics, the word expression is a term for any well-formed combination of mathematical symbols. An algebraic expression is only a phrase, not a whole sentence, so it cannot contain an equality sign (=). For example,

x + 3x − 4

is an expression, while

y = x + 3x − 4

is an equation but not an expression. Neither is

)x) / y

an expression because the parentheses are not balanced.

Being an expression is a syntactic concept – the meaning of the variables is irrelevant, but different fields have different notions of validity. See formal language for how expressions are constructed, and formal semantics for meaning.

From Wikipedia under the GNU Free Documentation License
Thu Nov 5 08:18:04 2009

What is Truth like? Is it like Mathematics, with one correct sum? Is it like Poetry, with Infinite Expressions
Q. What is Truth like? Is it like Mathematics, with one correct sum? Is it like Poetry, with Infinite Expressions
Asked by Orpheus Rising - Mon Dec 31 21:23:39 2007 - - 28 Answers - 0 Comments

A. i like this! put this in the philosophy section too! the truth is the truth. it is definite. it exists outside the realm of our perception, yet, is not completely excluded from it. the truth is unbiased, plain and simple. it is independent of what we perceive it to be, and it does not change. considering all this, i guess you could say that truth is indeed like Mathematics. Our perception of the truth, on the other hand, is like poetry...with infinite expressions. ~Rx~
Answered by Spurious - Mon Dec 31 21:36:58 2007

Need help with a radical (mathematics) question!?
Q. I absolutely love math, but there are a few simple things I don't know. While doing my cumulative review, I got stumped on a question. I'm not "taking the easy way out", I've got 7 out of 9 questions done.. Could someone show me how to do it? Here's the question: Which expression is equivalent to 7 90 ? (1) 16 10 (2) 21 10 (3) 70 9 (4) 630
Asked by Caiteee - Tue May 12 19:43:52 2009 - - 1 Answers - 0 Comments

A. 7 90 = 7 9 * 10 = 21 10 So the answer is (2).
Answered by Curtis Strangelove III - Tue May 12 20:29:32 2009

PLease help me in mathematics questions?
Q. Write the words that can be represented by each expression. 5. y+4 6.6 over an x 7. 8z 8. 7 y
Asked by Lo L - Fri May 9 17:16:24 2008 - - 3 Answers - 0 Comments

A. y plus(more than) four six divided by x 8 times(by) z 7 minus(less than) y
Answered by skoobysnaks1999 - Fri May 9 17:21:14 2008

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fuzzy automata and languages theory and applications computational mathematics 10965 60 jpg
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From Yahoo Image Search: "Expression (mathematics)"
Tue Sep 29 21:10:44 2009

How to write mathematics expression in HTML? | Bukisa.com
bukisa.com
How to write mathematics expression in HTML? | Bukisa.com

ori_sonata

Sat, 18 Apr 2009 07:18:09 GM

This article explain how to use HTML for writing . mathematics expressions. such as exponential, polynomial, fraction and rational.

Greek to me | ecstasy is my favourite word
1st-ray-of-the-sun.blogspot.com
Greek to me | ecstasy is my favourite word

ruSh.Me

Mon, 12 Oct 2009 09:21:01 GM

The . expression. may be used with respect to verbal . expressions. with excessive jargon of dialect, . mathematics. , or science. The metaphor makes reference to the Greek language and the Greek alphabet.. Now world is a big place and different ...

Triangular numbers
basic-mathematics.com
Triangular numbers

unknown

ue, 29 Sep 2009 18:35:07 GM

If we can rewrite 50 101 and make 100 appear into the . expression. , we can just make a prediction and say that that 100 represents the hundredth number. Then, we can simply replace 100 by n and n will represent the nth number. It is not a complete proof. You just make a sound and logical conclusion based on a pattern 50 101 = (100/2) 101 = (100/2) (100 + 1) If we substitute 100 for n, the formula we get is ... Copyright 2008. Basic-. mathematics. .com. All right reserved .

From Google Blog Search: "Expression (mathematics)"
Sun Oct 18 02:35:22 2009