MathML - Underscript

<munder> tag is used to draw underscript. It adds an accent or a limit under an expression.

Syntax

Here is the simple syntax to use this tag −

<munder> base underscript </munder>

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.

Attributes

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

• 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.
• class, id, style - Used with stylesheets.
• href - To specify a hyperlink to a specified uri.
• mathbackground - To specify the background color. Valid formats are #rgb, #rrggbb and html color names.
• mathcolor - To specify the text color. Valid formats are #rgb, #rrggbb and html color names.

Example

Let's draw an underscript.

<math xmlns="http://www.w3.org/1998/Math/MathML">
<munder accent="true">    
  <mrow>    
    <mi> x </mi>    
    <mo> + </mo>    
    <mi> y </mi>    
    <mo> + </mo>    
    <mi> z </mi>    
  </mrow>    
  <mo>&#x23F;</mo>    
</munder>
</math>

Output

x+y+z