index.md

---

title: <mroot>
slug: Web/MathML/Element/mroot
browser-compat: mathml.elements.mroot

---

{{MathMLRef}}

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

Attributes

This element accepts the global MathML attributes.

Examples

<math display="block">
  <mroot>
    <mi>x</mi>
    <mn>3</mn>
  </mroot>
</math>

{{ EmbedLiveSample('mroot_example', 700, 200, "", "") }}

Specifications

{{Specifications}}

Browser compatibility

{{Compat}}

See also

• {{ MathMLElement("msqrt") }} (Square root without an index)