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Meaning of real number | Babel Free

Noun CEFR B2

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

B2
Upper Intermediate
This word is part of the CEFR B2 vocabulary — upper intermediate level.

See also

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