en>BattyBot: /* History */fixed CS1 errors: dates & General fixes using AWB (9846)

2014-01-09T07:06:55Z

History: fixed CS1 errors: dates & General fixes using AWB (9846)

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	~~Hi there~~, ~~I am Andrew Berryhill~~. ~~What me~~ and ~~my family members love is to climb but I~~'~~m thinking on starting some thing new~~. ~~My day occupation is an invoicing officer but I~~'~~ve already applied for another~~ 1~~. Ohio~~ is ~~where her home is.~~<br><br>~~my web-site~~: ~~good psychic~~ ([~~http~~:/~~/afeen~~.~~fbho~~.~~net/v2/index~~.~~php?do~~=~~/profile-210/info/ http~~:/~~/afeen~~.~~fbho~~.~~net~~/])		<noinclude><div style="float:left; width:60%;">
			<span style="float:left;">'''[[Portal:Mathematics/Featured article/2007_23\|< Previous]]'''</span>
			<span style="float:right;">'''[[Portal:Mathematics/Featured article/2007_25\|Next >]]'''</span>
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			{{Portal:Mathematics/box-header\|''Article of the week''\|{{FULLPAGENAME}}}}
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			\| width=200 style="font-size: 85%; text-align: center; " \| The harmony of the golden ratio was much appreciated in Greek architecture.
			\|}

			In [[mathematics]] and the [[art]]s, two quantities are in the '''golden ratio''' if the [[ratio]] between the sum of those quantities and the larger one is the same as the ratio between the larger one and the smaller. The golden ratio is a [[mathematical constant]], usually denoted by the [[Greek alphabet\|Greek]] letter ''φ'' ([[phi]]).

			Expressed algebraically, two quantities ''a'' and ''b'' are therefore in the golden ratio if

			:<math> \frac{a+b}{a} = \frac{a}{b} = \varphi\,.</math>

			It follows from this property that ''φ'' satisfies the [[quadratic equation]] ''φ''<sup>2</sup> = ''φ'' + 1 and is therefore an [[algebraic number\|algebraic]] [[irrational number]], given by

			:<math>\varphi = \frac{1 + \sqrt{5}}{2},\,</math>

			which is approximately equal to 1.6180339887.

			At least since the [[Renaissance]], many [[artist]]s and [[architect]]s have proportioned their works to approximate the golden ratio—especially in the form of the '''[[golden rectangle]]''', in which the ratio of the longer side to the shorter is the golden ratio—believing this proportion to be [[aesthetics\|aesthetically]] pleasing. [[Mathematician]]s have studied the golden ratio because of its unique and interesting properties.

			Other names frequently used for or closely related to the golden ratio are '''golden section''' (Latin: ''sectio aurea''), '''golden mean''', '''golden number''', '''divine proportion''' (Italian: ''proporzione divina''), '''divine section''' (Latin: ''sectio divina''), '''golden proportion''', '''golden cut''', and '''mean of [[Phidias]]'''.

			{\| width="100%" border="0" style="padding: 0; margin:0; background:transparent;"
			\|align=left\|'''[[Portal:Mathematics/Featured article archive\|...Archive]]'''
			\|align=center\| <small>Image credit: [[User:PAR]] </small>
			\|align=right\|'''[[Golden ratio\|Read more...]]'''
			\|}
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en>Joe Kress: rm conversions in Reccommendations - speed is never given meters, even internationally, always in feet (usually unstated)

2011-12-03T07:23:22Z

rm conversions in Reccommendations - speed is never given meters, even internationally, always in feet (usually unstated)

New page

Hi there, I am Andrew Berryhill. What me and my family members love is to climb but I'm thinking on starting some thing new. My day occupation is an invoicing officer but I've already applied for another 1. Ohio is where her home is.<br><br>my web-site: good psychic ([http://afeen.fbho.net/v2/index.php?do=/profile-210/info/ http://afeen.fbho.net/])

Stimpmeter - Revision history

en>BattyBot: /* History */fixed CS1 errors: dates & General fixes using AWB (9846)

en>Joe Kress: rm conversions in Reccommendations - speed is never given meters, even internationally, always in feet (usually unstated)