Sandbox

This is a test of the wiki

Introducing: Sandbox

This is the place to experiment with the MediaWiki markup and markup, or non-markup.

<math>\sum_{k=1}^N k^2</math>

<math>u + p(x)u' + q(x)u=f(x),\quad x>a</math>

rad 1

testar

rad 2

# reboot