√{{{1}}}
{{radic|2}} gives √2.
{{radic|2}}
{{radic|1 + 2''x''|4}} gives 4√1 + 2x.
{{radic|1 + 2''x''|4}}
To be used in simple inline formulae, where a <math> tag rendering to a PNG image would be overkill.
<math>
