Test Page
From PHYSpedia
This is a page that is just used to test out MediaWiki features.
Failed to parse (MathML with SVG or PNG fallback (recommended for modern browsers and accessibility tools): Invalid response ("Math extension cannot connect to Restbase.") from server "https://api.formulasearchengine.com/v1/":): {\displaystyle \nabla \cdot \vec{E} = 0}