<munder> tag is used to draw underscript. It adds an accent or a limit under an expression.
Here is the simple syntax to use this tag −
<munder> base underscript </munder>
Here is the description of all the parameters of this tag −
base − base expression on which the underscript is to be drawn.
underscript − underscript.
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.
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>ȿ</mo> </munder> </math>