Real number

From Fresh Dictionary

Contents 1 English 1.1 Noun 1.1.1 Translations 1.2 See also

English

Noun

real number (plural real numbers)

1. ((mathematics{{#if:|, {{{2}}}{{#if:|, {{{3}}}{{#if:|, {{{4}}}{{#if:|, {{{5}}}{{#if:|, {{{6}}}{{#if:|, {{{7}}}{{#if:|, {{{8}}}{{#if:|, {{{9}}}}}}}}}}}}}}}}}}})) An element of the real numbers; real numbers include the rational numbers and the irrational numbers, but not the imaginary numbers or complex numbers

   Every integer is a real number, but not vice versa.

2. ((computing{{#if:|, {{{2}}}{{#if:|, {{{3}}}{{#if:|, {{{4}}}{{#if:|, {{{5}}}{{#if:|, {{{6}}}{{#if:|, {{{7}}}{{#if:|, {{{8}}}{{#if:|, {{{9}}}}}}}}}}}}}}}}}}})) A floating-point number.

   Even if you pass sqrt an integer, it returns a real number.

Translations

element of the real numbers

Chinese: 实数 Dutch: reëel getal n Finnish: reaaliluku

French: réel m, nombre réel m here--> Swedish: reell, reellt tal

floating-point number See floating-point number

See also

• hyperreal number
• imaginary number
• irrational number
• surreal number
• transfinite number

fr:real number