実数
じっすう
Meanings
- Noun real number
- actual number (as opposed to a speculative number); true number
Kanji
Example sentences
- これって、実数なの?
Is this a real number? - これは実数ですか?
Is this a real number? - 𝑥² = −1 となる数 𝑥(実数ではない)を sqrt(−1) または i と記して虚数単位と言う。
When x² = −1, the number x (which is not a real number) is written as "sqrt(−1)" or "i", and is called the imaginary unit.
Words containing 実数
- 実数体 (じっすうたい) real number field
- 超実数 (ちょうじっすう) hyperreal number
- 実数値入力装置 (じっすうちにゅうりょくそうち) valuator device
And 2 more.