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Flowchart of using successive subtractions to find the greatest common divisor of number r and s. In mathematics and computer science, an algorithm (/ ˈ æ l ɡ ə r ɪ ð əm / ⓘ) is a finite sequence of mathematically rigorous instructions, typically used to solve a class of specific problems or to perform a computation. [1]
The number π (/ p aɪ / ⓘ; spelled out as "pi") is a mathematical constant, approximately equal to 3.14159, that is the ratio of a circle's circumference to its diameter.It appears in many formulae across mathematics and physics, and some of these formulae are commonly used for defining π, to avoid relying on the definition of the length of a curve.
Over 2,000 examples were built. [12] The Utility was released near the end of the first series in July 1968 and most of the examples produced were therefore Mk IIs. [13] A cab chassis variant was also offered. [14] The 1800 Utility was given the model code YDO10. [15] Per capita, the Australian model sold better than anywhere else in the world.
The function of adverbs is to modify the action or event described by the verb by providing additional information about the manner in which it occurs. [188] Many adverbs are derived from adjectives by appending the suffix -ly. For example, in the phrase the woman walked quickly, the adverb quickly is derived in this way from the adjective quick.
The word elephant is derived from the Latin word elephas (genitive elephantis) ' elephant ', which is the Latinised form of the ancient Greek ἐλέφας (elephas) (genitive ἐλέφαντος (elephantos, [1])) probably from a non-Indo-European language, likely Phoenician. [2]
The word bacteria is the plural of the Neo-Latin bacterium, which is the romanisation of the Ancient Greek βακτήριον (baktḗrion), [6] the diminutive of βακτηρία (baktēría), meaning "staff, cane", [7] because the first ones to be discovered were rod-shaped. [8] [9]
Hence, for example, SN 2003C designates the third supernova reported in the year 2003. [58] The last supernova of 2005, SN 2005nc, was the 367th (14 × 26 + 3 = 367). Since 2000, professional and amateur astronomers have been finding several hundred supernovae each year (572 in 2007, 261 in 2008, 390 in 2009; 231 in 2013). [59] [60]
Mecca has been referred to by many names. As with many Arabic words, its etymology is obscure. [24] Widely believed to be a synonym for Makkah, it is said to be more specifically the early name for the valley located therein, while Muslim scholars generally use it to refer to the sacred area of the city that immediately surrounds and includes the Ka'bah.