Difference between revisions of "Sandbox"

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(Testing)
 
(14 intermediate revisions by 5 users not shown)
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ask questions, put demo code ... whatever.<br>
 
ask questions, put demo code ... whatever.<br>
 
remember ... you can't hurt anything ... all pages can be reverted to what they were<br>
 
remember ... you can't hurt anything ... all pages can be reverted to what they were<br>
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and all page changes are kept in history. Click the '''history'''tab above to view them. {{User:Griz/sig}}
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and all page changes are kept in history. Click the '''history''' tab above to view them. {{User:Griz/sig}}
  
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Darwinbots is not:
 
  
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(Inspired by "Wikipedia is not...")
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to see the '''''code''''' for any of the below, click on edit
  
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Darwinbots is not a pizza.
 
  
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Darwinbots is not a provelactic.
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testing...
  
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Darwinbots is not a middle name.
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more help can be found here:
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<font color="blue">Wiki Help</font> ==
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Darwinbots is not an essential part of a balanced breakfast.
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*Please see [http://meta.wikipedia.org/wiki/MediaWiki_User's_Guide User's Guide] for Wiki usage<br>
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*Help with [http://en.wikipedia.org/w/wiki.phtml?title=Wikipedia:How_to_edit_a_page
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Darwinbots is not spelled with a z.  That is, Darwinbotz is most, most wrong.
 
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===Geometry===
 
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:testing to see if this wiki supports Math Markup.
 
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:apparently not.
 
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:was looking to display it as it is at http://en.wikipedia.org/wiki/Pi#Geometry
 
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:too bad ... this would give us an easy way to diplay math/formulas, etc.
 
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:Nums ...
 
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:i think there is a way to impliment this ...
 
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:perhaps along the lines of implimenting the file upload thing. {{User:Griz/sig}}
 
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<math>\pi</math> appears in many formulae in [[geometry]] involving [[circle]]s and [[sphere]]s.
 
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{| border="1" cellspacing="4" cellpadding="4" style="border-collapse: collapse;"
 
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!Geometrical shape
 
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!Formula
 
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|-
 
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|[[Circumference]] of circle of [[radius]] ''r'' and [[diameter]] ''d''
 
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|<math>C = \pi d = 2 \pi r \,\!</math>
 
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|-
 
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|[[area (geometry)|Area]] of circle of radius ''r''
 
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|<math>A = \pi r^2 \,\!</math>
 
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|-
 
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|Area of [[ellipse]] with semiaxes ''a'' and ''b''
 
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|<math>A = \pi a b \,\!</math>
 
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|-
 
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|[[Volume]] of sphere of radius ''r'' and diameter ''d''
 
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|<math>V = \frac{4}{3} \pi r^3 = \frac{1}{6} \pi d^3 \,\!</math>
 
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|-
 
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|[[Surface area]] of sphere of radius ''r''
 
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|<math>A = 4 \pi r^2 \,\!</math>
 
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|-
 
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|Volume of [[cylinder]] of height ''h'' and radius ''r''
 
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|<math>V = \pi r^2 h \,\!</math>
 
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|-
 
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|Surface area of cylinder of height ''h'' and radius ''r''
 
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|<math>A = 2 ( \pi r^2 ) + ( 2 \pi r ) h = 2 \pi r (r + h) \,\!</math>
 
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|-
 
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|Volume of [[cone]] of height ''h'' and radius ''r''
 
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|<math>V = \frac{1}{3} \pi r^2 h \,\!</math>
 
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|-
 
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|Surface area of cone of height ''h'' and radius ''r''
 
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|<math>A = \pi r \sqrt{r^2 + h^2} + \pi r^2 =  \pi r (r + \sqrt{r^2 + h^2}) \,\!</math>
 
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|}
 
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(All of these are a consequence of the first one, as the area of a circle can be written as
 
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''A'' = &int;(2''&pi;r'')d''r'' ("sum of [[annulus|annuli]] of infinitesimal width"), and others concern a surface or [[solid of revolution]].)
 
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----
 
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= level1 Heading =
 
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== level2 Heading ==
 
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=== level3 Heading ===
 
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==== level4 Heading ====
 
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===== level5 Heading =====
 
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====== level6 Heading ======
 
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Wow - I didn't know there were that many :-)
 

Latest revision as of 17:30, 14 February 2014

a sandbox to play in ...

practice wiki code and formatting here ...
ask questions, put demo code ... whatever.
remember ... you can't hurt anything ... all pages can be reverted to what they were
and all page changes are kept in history. Click the history tab above to view them. Griztalk


to see the code for any of the below, click on edit 


testing...

more help can be found here: Wiki Help ==

Retrieved from "http://wiki.darwinbots.com/index.php?title=Sandbox&oldid=5408"