Citizendia

For Sir Francis Galton's machine for demonstrating the normal distribution named "quincunx", see bean machine. Sir Francis Galton FRS ( 16 February 1822 &ndash 17 January 1911) half-cousin of Charles Darwin, was an The normal distribution, also called the Gaussian distribution, is an important family of Continuous probability distributions applicable in many fields The bean machine, also known as the Quincunx or Galton box, is a device invented by Sir Francis Galton to demonstrate the Law of error
Five dots forming a quincunx
Five dots forming a quincunx
This aes grave coin is a Roman quincunx but the five pellets do not appear in the quincunx arrangement.
This aes grave coin is a Roman quincunx but the five pellets do not appear in the quincunx arrangement. Aes grave (heavy bronze is a numismatical term indicating bronze cast coins used in central Italy during the 4th and 5th centuries BC

A quincunx (IPA ['kwɪnkʌŋks]) is the arrangement of five units in the pattern corresponding to the five-spot on dice, playing cards, or dominoes. The International Phonetic Alphabet (IPA is a system of phonetic notation based on the Latin alphabet, devised by the International Phonetic For other uses see either Die or Dice (disambiguation. Dice (the Plural of Die, from Old French A playing card is a piece of specially prepared heavy paper thin card or thin plastic figured with distinguishing motifs and used as one of a set for playing Card games Dominoes (or "dominos" generally refers to the individual or collective gaming pieces making up a domino set (sometimes called a deck or pack The quincunx was originally a coin issued by the Roman Republic c. 211-200 BC, whose value was five twelfths (quinque + uncia) of an as, the Roman standard bronze coin. On the Roman quincunx coins, the value was sometimes indicated by a pattern of five dots. Typically, a modern quincunx consists of five objects arranged in a square, with one object at each of the square's four corners and the fifth in the square's center. If the four corner objects form a rectangle, the pattern is still considered a quincunx.

The significance of the quincunx pattern originates in Pythagorean mathematical mysticism. "Pythagoras of Samos" redirects here For the Samian statuary of the same name see Pythagoras (sculptor. Mysticism (from the Greek grc μυστικός mystikos, an initiate of a Mystery religion) is the pursuit of communion with identity This pattern lies at the heart of the Pythagorean tetraktys, a pyramid of ten dots. The Tetractys is a triangular figure consisting of ten points arranged in four rows one two three and four points in each row To the Pythagoreans the number five held particular significance and the quincunx pattern represented this significance.

Examples

Quincunx patterns occur in many contexts:

In literature

Dictionary

quincunx

-noun

  1. An arrangement of five units in a pattern corresponding to the five-spot on dice, playing cards, or dominoes.
  2. (astrology) An angle of five-twelfths of a circle, or 150°, between two objects.
  3. A bronze coin minted during the Roman Republic, valued at five-twelfths of an as.
© 2009 citizendia.org; parts available under the terms of GNU Free Documentation License, from http://en.wikipedia.org
Dapyx Software network: MP3 Explorer | Ebook Manager | Zenithic