Math Test

This is a test ${\frac {\alpha }{\sqrt {\beta +1}}}$

units: Failed to parse (unknown function "\unit"): {\displaystyle \unit{1}{\kelvin}}

mathbold: 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://wikimedia.org/api/rest_v1/":): {\displaystyle \bm{V}}