Sandbox

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Use this page to play around and experiment with editing. Any content here won't be preserved. You can also create your own sandbox area by appending "/sandbox" to the URL for your user page, or click this link to go there. Your own sandbox is where to rough out articles until they're ready for posting.Sandboxes will be indexed by search engines like any other page, unless the first line is __NOINDEX__.

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Numbered list

 * 1) Capacitor
 * 2) Inductor
 * 3) Resistor
 * 4) Diode
 * 5) Transistor

Discussion thread

 * Some indented text. In a discussion thread don't forget to sign your post.
 * Some text another indentation in.
 * More text and a further indentation.

Formulae
Use tags for formulae, eg, (click edit to see the source): $$\operatorname{erfc}(x) = \frac{2}{\sqrt{\pi}} \int_x^{\infty} e^{-t^2}\,dt = \frac{e^{-x^2}}{x\sqrt{\pi}}\sum_{n=0}^\infty (-1)^n \frac{(2n)!}{n!(2x)^{2n}}$$

Citing references
According to scientists, the Sun is pretty big. The Moon, however, is not so big.

Multiple references
This is an example of multiple references to the same footnote.

Such references are particularly useful when citing sources, if different statements come from the same source.

A concise way to make multiple references is to use empty ref tags, which have a slash at the end. Although this may reduce redundant work, please be aware that if a future editor removes the first reference, this will result in the loss of all references using the empty ref tags. This part of the text requires clarification, whereas the entire text is cited.