Meaning of the word "real number" in English

What does "real number" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

real number

US /ˈriːl ˈnʌm.bɚ/
UK /ˈrɪəl ˈnʌm.bə/
"real number" picture

Noun

a value that represents a quantity along a continuous line, including rational numbers (like 5 and 1/2) and irrational numbers (like π and √2)

Example:
The set of real numbers includes both integers and fractions.
Pi is a famous example of an irrational real number.