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In mathematics, the Fibonacci numbers, commonly denoted Fn form a sequence, called the Fibonacci sequence, such that each number is the sum of the two preceding ones, starting from 0 and 1. That is,
The International Standard Book Number (ISBN) is a numeric commercial book identifier which is intended to be unique. Publishers purchase ISBNs from an affiliate of the International ISBN Agency.
The French Defence is a chess opening characterised by the moves:
The Sicilian Defence is a chess opening that begins with the following moves:
SHA-2 is a set of cryptographic hash functions designed by the United States National Security Agency (NSA). They are built using the Merkle–Damgård structure, from a one-way compression function itself built using the Davies–Meyer structure from a (classified) specialized block cipher.
A fraction represents a part of a whole or, more generally, any number of equal parts. When spoken in everyday English, a fraction describes how many parts of a certain size there are, for example, one-half, eight-fifths, three-quarters. A common, vulgar, or simple fraction consists of an integer numerator displayed above a line, and a non-zero integer denominator, displayed below that line.
Numerators and denominators are also used in fractions that are not common, including compound fractions, complex fractions, and mixed numerals.
The Controlled Drugs and Substances Act is Canada's federal drug control statute. Passed in 1996 under Prime Minister Jean Chrétien's government, it repeals the Narcotic Control Act and Parts III and IV of the Food and Drugs Act; and establishes eight Schedules of controlled substances and two Classes of precursors. It provides that "The Governor in Council may, by order, amend any of Schedules I to VIII by adding to them or deleting from them any item or portion of an item, where the Governor in Council deems the amendment to be necessary in the public interest."
Scutellaria is a genus of flowering plants in the mint family, Lamiaceae. They are known commonly as skullcaps. The generic name is derived from the Latin scutella, meaning "a small dish, tray or platter", or "little dish", referring to the shape of the calyx. The common name alludes to the resemblance of the same structure to "miniature medieval helmets". The genus has a subcosmopolitan distribution, with species occurring nearly worldwide, mainly in temperate regions.
iPhone is a line of smartphones designed and marketed by Apple Inc. All generations of the iPhone use Apple's iOS mobile operating system software. The first-generation iPhone was released on June 29, 2007, and multiple new hardware iterations with new iOS releases have been released since.
Primary education also called an elementary education is typically the first stage of formal education, coming after preschool and before secondary education. Primary education usually takes place in a primary school or elementary school. In some countries, primary education is followed by middle school, an educational stage which exists in some countries, and takes place between primary school and high school. Primary Education in Australia consists of grades foundation to grade 6. In the United States, primary education is Grades 1 - 3 and elementary education usually consists of grades 1-6.
The version history of the Android mobile operating system began with the public release of the Android beta on November 5, 2007. The first commercial version, Android 1.0, was released on September 23, 2008. Android is continually developed by Google and the Open Handset Alliance, and it has seen a number of updates to its base operating system since the initial release.
The PlayStation 4 (PS4) is an eighth-generation home video game console developed by Sony Interactive Entertainment. Announced as the successor to the PlayStation 3 in February, 2013, it was launched on November 15 in North America, November 29 in Europe, South America and Australia, and on February 22, 2014, in Japan. It competes with Microsoft's Xbox One and Nintendo's Wii U and Switch.
The 2018–19 FA Cup is the 138th edition of the oldest football tournament in the world. It is sponsored by Emirates and known as The Emirates FA Cup for sponsorship purposes. It started with the Extra Preliminary Round on the weekend of 11 August 2018 and will conclude with the final on 18 May 2019. The winner will qualify for the 2019–20 UEFA Europa League group stage.
