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A Doctor of Philosophy ( PhD, Ph.D., or DPhil; Latin: philosophiae doctor or doctor philosophiae) is the most common degree at the highest academic level, awarded following a course of study and research. The degree is most often abbreviated PhD (or, at times, as Ph.D. in North America ). It is derived from the Latin Philosophiae Doctor ...
Wikipedia [note 3] is a free content online encyclopedia written and maintained by a community of volunteers, known as Wikipedians, through open collaboration and the use of the wiki -based editing system MediaWiki. Wikipedia is the largest and most-read reference work in history.
In mathematics, the Fibonacci sequence is a sequence in which each number is the sum of the two preceding ones. Numbers that are part of the Fibonacci sequence are known as Fibonacci numbers, commonly denoted Fn . The sequence commonly starts from 0 and 1, although some authors start the sequence from 1 and 1 or sometimes (as did Fibonacci ...
A few letters, such as that of the voiced pharyngeal fricative, ʕ , were inspired by other writing systems (in this case, the Arabic letter ﻉ , ʿayn, via the reversed apostrophe). Some letter forms derive from existing letters: The right-swinging tail, as in ʈ ɖ ɳ ɽ ʂ ʐ ɻ ɭ , indicates retroflex articulation.
Google was founded on September 4, 1998, by American computer scientists Larry Page and Sergey Brin while they were PhD students at Stanford University in California. Together, they own about 14% of its publicly listed shares and control 56% of its stockholder voting power through super-voting stock.
The Academy Award for Best Documentary Feature Film is an award for documentary films. In 1941, the first awards for feature-length documentaries were bestowed as Special Awards to Kukan and Target for Tonight. [1] They have since been bestowed competitively each year, with the exception of 1946. [2]
Lemma (morphology) In morphology and lexicography, a lemma ( pl.: lemmas or lemmata) is the canonical form, [1] dictionary form, or citation form of a set of word forms. [2] In English, for example, break, breaks, broke, broken and breaking are forms of the same lexeme, with break as the lemma by which they are indexed.
provided that b, x and y are all positive and b ≠ 1.The slide rule, also based on logarithms, allows quick calculations without tables, but at lower precision.The present-day notion of logarithms comes from Leonhard Euler, who connected them to the exponential function in the 18th century, and who also introduced the letter e as the base of natural logarithms.