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A number whose existence shattered the Pythagoras' numerology that the universe could be explained in terms of fractions and whole numbers.
Two common irrational numbers that students are first exposed to are the square root of two (√2) and piβ€”both irrationals cannot be expressed as a ratio of two whole numbers.
by MathPlus August 21, 2016
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a person that doesn't belong in your friendship circle. this person can not be made in to a fraction of friendship pie.

an awesome phrase made by brooke
Golly, your suck an irrational number.
by Brooke with an "e" November 19, 2006
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