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Negative numbers are real numbers. The set of real numbers includes all the numbers that can be shown on a number line including both positive and negative...

## Real number

en.wikipedia.org/wiki/Real_number

In mathematics, a real number is a value that represents a quantity along a continuous line. The adjective real in this context was introduced in the 17th century ...

## Real Numbers - Math is Fun

www.mathsisfun.com/numbers/real-numbers.html

And there are also some special numbers that mathematicians play with that aren 't Real Numbers. Why are they called "Real" Numbers? Because they are not ...

## What's a Real Number? | Virtual Nerd

www.virtualnerd.com/pre-algebra/real-numbers-right-triangles/real-and-irrational/define-real-numbers/real-number-definition

Note: Real numbers are numbers that can be found on the number line. This includes both the rational and irrational numbers. This tutorial explains real ...

The set of real numbers can be represented as a number line. When we first learn about numbers, chances are that it was four counting. In contrast to this, the decimal expansion of an irrational number is nonterminating and nonrepeating. More »
By Courtney Taylor, About.com Guide

## Real Number -- from Wolfram MathWorld

mathworld.wolfram.com/RealNumber.html

are both real, are called complex numbers, which also form a field. Another extension which includes both the real numbers and the infinite ordinal numbers of ...

## Mathwords: Real Numbers

www.mathwords.com/r/real_numbers.htm

This includes (but is not limited to) positives and negatives, integers and rational numbers, square roots, cube roots , π (pi), etc. Real numbers are indicated by ...

## What is real number? - Definition from WhatIs.com

whatis.techtarget.com/definition/real-number

A 'real number' is any element of the set R, which is the union of the set of a rational numbers and the set of irrational numbers.

## What are the 'real numbers,' really?

www.math.vanderbilt.edu/~schectex/courses/thereals/

It is true that the real numbers are 'points on a line,' but that's not the whole truth. This web page explains that the real number system is a Dedekind-complete ...

## Real number - math word definition - Math Open Reference

www.mathopenref.com/real-number.html

A real number is a value that represents a quantity along a number line.

Popular Q&A
Q: What Is the Meaning of Real Numbers?
A: The scope of real numbers spans whole numbers, fractions and decimals. Real numbers can even include calculated numbers like square roots and the value of pi. T... Read More »
Source: www.ehow.com
Q: How to Subtract Real Numbers.
A: 1. Add the opposite in order to understand subtracting real numbers. Once you get the idea of how to do this, you can apply it to any subtraction equation. For ... Read More »
Source: www.ehow.com
Q: Why is zero a real number?
A: yes. Read More »