real number notation – MathematicX

Three adult university students explain the real number system, rational and irrational numbers, a real number line, and rules of real arithmetic in a colorful shonen manga illustration.

September 24, 2026

Inside the Realm of Real Numbers: Definitions, Examples, and Arithmetic

Understand the real number system, rational and irrational numbers, the number line, arithmetic domains, mathematical notation, and measurement units.

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