User:Physikerwelt

test

 * E=mc^2
 * \mathbb{R}
 * \mathbb{R}

see wgMathEnableExperimentalInputFormats
 * (this is not allowed on mediawiki.org)
 * (this is not allowed on mediawiki.org)


 * this is a text line q_q^Q

mber of the form M_n=2^n-1. This is to sa