# MathML - Underscript-Overscript

<munderover> tag is used to draw both over and under underscript. It adds an accent or a limit over and under an expression.

## Syntax

Here is the simple syntax to use this tag −

<munderover> base underscript overscript </munderover>


## Parameters

Here is the description of all the parameters of this tag −

• base − base expression on which the underscript is to be drawn.

• underscript − underscript.

• overscript − overscript.

## Attributes

Here is the description of all the attributes of this tag −

• accent − If true, over-script is an accent, and is drawn closer to the base expression. If false, over-script is a limit over the base expression. Default is false.

• accentunder − If true, under-script is an accent, and is drawn closer to the base expression. If false, under-script is a limit over the base expression. Default is false.

• align − To specify the alignment of the under-script. Valid are: left, center, and right. Default is center.

## Example

Let's draw an underscript.

Live Demo
<math xmlns = "http://www.w3.org/1998/Math/MathML">
<mrow>
<munderover>
<mo> &#x222B;</mo>
<mn> 0 </mn>
<mi> &#x221E;</mi>
</munderover>
</mrow>
[/itex]


## Output

$\underset{0}{\overset{\infty }{\int }}$