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Real Number

A real number (実数) is a number that can be expressed on a number line.
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Overview

A real number (実数, jissū) is a number that can be expressed on a number line.

It is mainly divided into rational numbers and irrational numbers, but can also be divided into positive numbers, negative numbers, and zeros.

It is also a complex number other than an imaginary number.


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External Links

English

Real number - Wikipedia

Japanese

実数 - Wikipedia

実数とは (ジッスウとは) [単語記事] - ニコニコ大百科 (NicoNico Encyclopedia)

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実数

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