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a repository of mathematical know-how

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[maths euler|Euler's identity] e^{i \pi} + 1 = 0[/maths]
x^2 - y^2 can be factorised as (x-y)(x+y). $x^2 - y^2$ can be factorised as $(x-y)(x+y)$.
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Link to Wikipedia article on mathematics. Link to [[w:Mathematics|Wikipedia article on mathematics]].
External link to Google search results. External link to [http://www.google.com/search?q=Mathematics Google search results].
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Sierpinski triangle [image sierpinski.gif|Sierpinski triangle]
Sierpinski triangle
Sierpinski triangle
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[image sierpinski.gif|left|Sierpinski triangle]
Reference to (Euler's identity) above. Reference to [eqref euler] above.
[theorem ftba|Fundamental theorem of basic arithmetic]Let $x = 2$. Then $x + x = 4$.[/theorem]
By theorem [ref ftba], x - 2 = 0. By theorem [ref ftba], $x - 2 = 0$.

Example 1

Example tags do not need to be closed, unlike theorem tags.
[example extag] Example tags do not need to be closed, unlike theorem tags.
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  • You can
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*You can
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[frame][lemma important|The Important Lemma] $2 + 1 = 3$ [/lemma][/frame]
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Problems and questions are numbered separately, as are definitions. List can have be nested to an arbitrary depth by putting more asterisks at the beginning of the line. There are five levels of headings (from == to ======).