Number Set Notation

  • (N) Natural NumbersNatural Numbers are all positive integers from 1 (counting numbers). (1 to infinity)
  • (R) Real NumbersReal Numbers are all non imaginary numbers. (from negative infinity to infinity)
  • (Q) Rational Numbers - Rational Numbers are ratios from integers, e.g 1/2, 1 (1/1), 1/4.
  • (Z) IntegersIntegers are all whole numbers either positive or negative.


Diagram showing what notations fit within each other.

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