real number

Definitions

1. 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.
2. A floating-point number.

Equivalents

Examples

“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⟳.”

CEFR level