<mroot>

The MathML <mroot> element is used to display roots with an explicit index. Two arguments are accepted, which leads to the syntax: <mroot> base index </mroot>.

class, id, style

Provided for use with stylesheets.

displaystyle

A Boolean value specifying whether more vertical space is used for displayed equations or, if set to false, a more compact layout is used to display formulas. The main effect is that larger versions of operators are displayed, when displaystyle is set to true. See also movablelimits on <mo>.

href

Used to set a hyperlink to a specified URL.

mathbackground

The background color. You can use #rgb, #rrggbb and HTML color names.

mathcolor

The text color and also the color of the root symbol itself. You can use #rgb, #rrggbb and HTML color names.

Sample Rendering:

Rendering in your browser: $\sqrt[3]{x}$

<math>

 <mroot>
    <mi>x</mi>
    <mn>3</mn>
 </mroot>

</math>

• <msqrt> (Square root without an index)