Real numbers definitions

Real numbers

1) Certain math units
Found on https://www.crosswordclues.com/clue/real-numbers

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real numbers

all numbers (including natural numbers, integers, decimals, rational numbers and irrational numbers) which do not involve imaginary numbers (multiples of the imaginary unit i, or the square root of -1), may be thought of as all points on an infinitely long number line
Found on https://www.storyofmathematics.com/glossary.html

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