real number

Definition

The limit of a convergent sequence of rational numbers, whether the limit is a rational number such as 2, -5, or 2/7 or whether the limit is an irrational number such as the square root of two or the circumference of the circle whose radius is one.

Example Sentences

• "Every integer is a real number, but not vice versa."
• "A real number can be regarded abstractly as an equivalence class of Cauchy sequences of real numbers.ᵂᴾ"
• "Even if you pass sqrt an integer, it returns a real number."