じっすう
実数
1. real numberMathematics
2. actual number (as opposed to a speculative number); true number
3. Real numberIn mathematics, a real number is a value that represents a quantity along a continuous line. The real numbers include all the rational numbers, such as the integer −5 and the fraction 4/3, and all the irrational numbers such as √2 and π. Real numbers can be thought of as points on an infinitely long line called the number line or real line, where the points corresponding to integers are equally spaced.
Read “Real number” on English Wikipedia
Read “実数” on Japanese Wikipedia
Read “Real number” on DBpedia
Read “Real number” on English Wikipedia
Read “実数” on Japanese Wikipedia
Read “Real number” on DBpedia
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