Sandbox

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 historytab above to view them. Griz^talk

more help can be found here: Wiki Help ==

• Please see User's Guide for Wiki usage
  
• Help with Wiki Editing.
  
• In house DarwinBot Wiki Editing Tips
  

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Darwinbots is not:

(Inspired by "Wikipedia is not...")

Darwinbots is not a pizza.

Darwinbots is not a provelactic.

Darwinbots is not a middle name.

Darwinbots is not an essential part of a balanced breakfast.

Darwinbots is not spelled with a z. That is, Darwinbotz is most, most wrong.

Math Markup

$\pi$ appears in many formulae in geometry involving circles and spheres.

Geometrical shape	Formula
Circumference of circle of radius r and diameter d	$C = \pi d = 2 \pi r \,\!$
Area of circle of radius r	$A = \pi r^2 \,\!$
Area of ellipse with semiaxes a and b	$A = \pi a b \,\!$
Volume of sphere of radius r and diameter d	$V = \frac{4}{3} \pi r^3 = \frac{1}{6} \pi d^3 \,\!$
Surface area of sphere of radius r	$A = 4 \pi r^2 \,\!$
Volume of cylinder of height h and radius r	$V = \pi r^2 h \,\!$
Surface area of cylinder of height h and radius r	$A = 2 ( \pi r^2 ) + ( 2 \pi r ) h = 2 \pi r (r + h) \,\!$
Volume of cone of height h and radius r	$V = \frac{1}{3} \pi r^2 h \,\!$
Surface area of cone of height h and radius r	$A = \pi r \sqrt{r^2 + h^2} + \pi r^2 = \pi r (r + \sqrt{r^2 + h^2}) \,\!$

(All of these are a consequence of the first one, as the area of a circle can be written as A = ∫(2πr)dr ("sum of annuli of infinitesimal width"), and others concern a surface or solid of revolution.)

Also, the angledegrees) is equal to π radians.

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Wow - I didn't know there were that many :-)

spam test

testing to see if the blacklist will prevent adding
this link:
Spam
http://74220.M.f3so.info Griz^talk 15:56, 1 Apr 2006 (MST)

if this URL was on our blacklist ...
i shouldn't have been able to add it.

it was successfully blocked at my old wiki ...
but not here.

Nums ... you'll have to try one you know is on your blacklist.
i'll leave it here for now ... the link is no longer active.
if the spam cleanup works, perhaps this page will be rolled back. Griz^talk

Jez

will also locate other pages here that had some

editing info ...

it's been awhile so i gots to recall just where. ;) Griz^talk 15:22, 24 Dec 2006 (MST)