Parity

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Parity

Parity is a concept of equality of status or functional equivalence. It has several different specific definitions.

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Parity is a concept of equality of status or functional equivalence. It has several different specific definitions.

Parity (physics)
Parity (physics)

In physics, a parity transformation is the flip in the sign of one spatial coordinate. In three dimensions, it is also commonly described by the simultaneous flip in the sign of all spatial coordinates:...
, the name of the symmetry of interactions under spatial inversion
Parity (mathematics) indicates whether a number is even or odd
Parity (medicine)
Parity (medicine)

In medicine, parity is a technical term that refers to the number of times a woman or female animal has given birth. A woman who has given birth a particular number of times is referred to as para 0, para 1, para 2, para 3 and so on....
, the number of times a woman or female animal has given birth
Parity Pricing (marketing)
Parity bit
Parity bit

A parity bit is a bit that is added to ensure that the number of bits with value of 1 in a given set of bits is always even number or odd number....
, in computing, a very simple example of an error detecting code
Purchasing power parity
Purchasing power parity

The purchasing power parity theory uses the long-term equilibrium exchange rate of two currencies to equalize their purchasing power. Developed by Gustav Cassel in 1920, it is based on the law of one price: the theory states that, in ideally efficient markets, identical goods should have only one price....
, 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
Interest rate parity

Interest rate parity is an economic concept, expressed as a basic algebraic identity that relates interest rates and exchange rates. The identity is theoretical, and usually follows from assumptions imposed in economics models....
, 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
Put–call parity

In financial mathematics, put-call parity defines a relationship between the price of a call option and a put option?both with the identical strike price and expiry....
, 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)
Parity (sports)

Parity in sports is defined as attempting to make an equal playing field for all participants, specifically with regard to financial issues. When parity in a sports league is achieved, all participating teams enjoy roughly equivalent levels of talent....
refers to engineering an equal playing field in which all teams can compete, regardless of their economic circumstances
In demography
Demography

Demography is the statistical study of all populations. It can be a very general science that can be applied to any kind of dynamic population, that is, one that changes over time or space ....
, the number of reproductive events (births)
Potty parity
Potty parity

Potty parity is the nickname of a law aimed at remedying perceived longer lines at ladies' Washroom in public places. Women generally spend twice as much time in the restroom as men , with an average of 89 seconds for women, and 39 seconds for men....
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 othello
Reversi

Reversi is an abstract strategy game board game which involves play by two parties on an eight-by-eight square grid with pieces that have two distinct sides....
Militarily, it refers to having a comparable force as one's enemy, such as geopolitically as in mutual assured destruction
Mutual assured destruction

Mutually assured destruction is a doctrine of military strategy in which a full-scale use of nuclear weapons by two opposing sides would effectively result in the destruction of both the attacker and the defender....
Parity is a case on a Rubik's Revenge
Rubik's Revenge

The Rubik's Revenge is the 4?4?4 version of Rubik's Cube. Invented by P?ter Sebest?ny, the Rubik's Revenge was nearly called the Sebest?ny Cube until a somewhat last-minute decision changed the puzzle's name to attract fans of the original Rubik's Cube....
cube that may not occur on 3x3 Rubik's Cube
Grid parity of renewable energy.