How to use the MathML Underscript-Overscript Element: "munderover"?

"munderover" is the MathML Underscript-Overscript Element that allows you to specify a base sub-element associated with a underscript sub-element and a overscript sub-element.

The syntax for "munderover" element is:

<munderover> base underscript overscript </munderover>

"munderover" element supports 3 useful attributes:

• "accent" - Specifies whether the overscript is drawn as an "accent" or as a limit. An accent is drawn in the same size as the base and closer to the base.
• "accentunder" - Specifies whether the underscript is drawn as an "accent" or as a limit. An accent is drawn in the same size as the base and closer to the base.
• "align" - Specifies whether the Underscript-Overscript is aligned left, center, or right. The default is "center".

Here is an example of using the "munderover" element.

<math display="block"><munderover><mo>&#x2211;</mo>
  <mrow><mi>i</mi><mo>=</mo><mn>0</mn></mrow>
  <mi>n</mi></munderover><mi>i</mi></math>
    $$\sum _{i=0}^{n}i$$

⇒ MathML Elements for Tables

⇐ "mover" - MathML Overscript Element

⇑ Complex MathML Elements

⇑⇑ MathML (Mathematical Markup Language)