# irrational number

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Related to irrational number: imaginary number
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## Synonyms for irrational number

### a real number that cannot be expressed as a rational number

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References in periodicals archive ?
Because the approximate entropy method does not depend on any assumptions about the process involved in generating a sequence of numbers, it can be applied to biological and medical data and to physical measurements, such as the number of alpha particles emitted by a radioactive nucleus in specified time intervals, as readily as to the digits of irrational numbers.
The Year 8 achievement standard (ACARA, 2014) includes the following: "They [students] describe rational and irrational numbers .
In honor of 10-Digits-of-Pi, an Infographic on the Top 10 Irrational Numbers in Insurance
Consequently, condition r [member of] Q cannot be fulfilled all time because of irrational numbers, which fill densely neighborhood of any rational number.
Pi is an irrational number, so its decimal representation never ends and never settles into a repeating pattern.
Every infinite continued fraction is irrational, and every irrational number can be represented in precisely one way as an infinite continued fraction (Khintchine, [section]5).
Byline: Today, academics celebrate an irrational number that plays a vital role in everyday life.
18 X xxxxxx xx This well-known irrational number is my favorite
Pi is an irrational number (a number which cannot be written as a finite or recurring sequence) but mathematically there are an infinite number of these, just as there are an infinite number of rational numbers.
The classical theory of oscillations predicts that the minimum points should coincide with the minimum amplitude of forced oscillations, while according to the theory of continued fractions the minimum points should coincide with irrational numbers which, being the roots of the equation [x.
The poem below was composed under a double constraint, which was to encode the first 85 decimal digits of two well-known irrational numbers.
Note that King presumes a previous knowledge of rational and irrational numbers, and integers; they are discussed in the lead-up to this version of the proof in his book.
In a series of 16 zippy chapters, Mazur looks into what logic actually is and how and when it shows up, the various configurations of infinity as they strike such disparate surfaces as set theory and irrational numbers, and the ordinary, everyday logic that underlies the math that may or may not reflect the real world.
He sets up this story by harkening back to the times of the ancient Greeks and Pythagoreans' attempts to deal with irrational numbers, MIT Pr, 2003, 213 p.
Beginning with natural numbers and covering the realms of infinity from prime numbers to parallel lines, the authors explore how mathematicians have tried to grasp the ungraspable, Profiles of individuals range from Pythagoras, who theorized about irrational numbers, to Georg Cantor, who proved that infinity can come in different sizes.
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