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>.
Attributes
- class, id, style
- Provided for use with stylesheets.
- href
- Used to set a hyperlink to a specified URL.
- mathbackground
- The background color. You can use
#rgb,#rrggbband HTML color names. - mathcolor
- The text color and also the color of the root symbol itself. You can use
#rgb,#rrggbband HTML color names.
Examples
Sample Rendering: 
Rendering in your browser:
<math>
<mroot>
<mi>x</mi>
<mn>3</mn>
</mroot>
</math>
Specifications
| Specification | Status | Comment |
|---|---|---|
| MathML 3.0 The definition of 'mroot' in that specification. |
Recommendation | Current specification |
| MathML 2.0 The definition of 'mroot' in that specification. |
Recommendation | Initial specification |
Browser compatibility
| Feature | Chrome | Firefox (Gecko) | Internet Explorer | Opera | Safari |
|---|---|---|---|---|---|
| Basic support | Not supported | 1.0 (1.7 or earlier) | Not supported | Not supported | 5.1 |
href |
Not supported | 7.0 (7.0) | Not supported | Not supported | Not supported |
mathbackground |
Not supported | 4.0 (2.0) | Not supported | Not supported | 5.1 |
mathcolor |
Not supported | 4.0 (2.0) | Not supported | Not supported | 5.1 |
| Feature | Android | Chrome for Android | Firefox Mobile (Gecko) | IE Mobile | Opera Mobile | Safari Mobile |
|---|---|---|---|---|---|---|
| Basic support | Not supported | Not supported | 1.0 (1.0) | Not supported | Not supported | Not supported |
href |
Not supported | Not supported | 7.0 (7.0) | Not supported | Not supported | Not supported |
mathbackground |
Not supported | Not supported | 4.0 (2.0) | Not supported | Not supported | Not supported |
mathcolor |
Not supported | Not supported | 4.0 (2.0) | Not supported | Not supported | Not supported |
See also
<msqrt>(Square root without an index)