Parity 25088 213559204 2008-05-19T21:30:48Z DrJos 6885992 {{wiktionary}} '''Parity''' is a concept of equality of status or functional equivalence. It has several different specific definitions. * [[Parity (physics)]], the name of the symmetry of interactions under spatial inversion * [[Parity (mathematics)]] indicates whether a number is even or odd * [[Parity (medicine)]], the number of times a woman or female animal has given birth * [[Parity Pricing (marketing)]] * [[Parity bit]], in computing, a very simple example of an error detecting code * [[Purchasing power parity]], in economics, an estimate of the exchange rate required to equalise the purchasing power of different currencies, given the prices of goods and services in the countries concerned * [[Interest rate parity]], in finance, refers to the notion that the differential in interest rates between two countries is equal to the differential between the forward exchange rate and the spot exchange rate * [[Base parity]], in human genetics, the G/C ratio in regions of DNA * [[Put–call parity]], in financial mathematics, defines a relationship between the price of a European call option and a European put option—both with the identical strike price and expiry * [[Parity (sports)]] refers to engineering an equal playing field in which all teams can compete, regardless of their economic circumstances * In [[demography]], the number of reproductive events (births) * [[Potty parity]] attempts to equalize the waiting times of males and females in restroom queues by designating or building more women's restrooms, giving them more facilities to use * A tactic in [[reversi#Parity|othello]] * Militarily, it refers to having a comparable force as one's enemy, such as geopolitically as in [[mutual assured destruction]] * Parity is a case on a [[Rubik's Revenge]] cube that may not occur on 3x3 Rubik's Cube {{disambig}} [[als:Parität]] [[cs:Parita]] [[de:Parität]] [[es:Paridad]] [[fr:Parité]] [[hu:Paritás]] [[nl:Pariteit]] [[pt:Paridade]] [[ru:Чётность]] [[sk:Parita]]