Non-standard: This feature is non-standard and is not on a standards track. Do not use it on production sites facing the Web: it will not work for every user. There may also be large incompatibilities between implementations and the behavior may change in the future.

The <menclose> MathML element renders its content inside an enclosing notation specified by the notation attribute.


This element's attributes include the global MathML attributes.

notation Non-standard

A list of notations, separated by white space, to apply to the child elements. The symbols are each drawn as if the others are not present, and therefore may overlap. Possible values are:

Value Sample Rendering Rendering in your browser Description
longdiv (default) longdiv a 2 + b 2 long division symbol
actuarial actuarial a 2 + b 2 actuarial symbol
box box a 2 + b 2 box
roundedbox roundedbox a 2 + b 2 rounded box
circle circle a 2 + b 2 circle
left left a 2 + b 2 line to the left of the contents
right right a 2 + b 2 line to the right of the contents
top top a 2 + b 2 line above of the contents
bottom bottom a 2 + b 2 line below of the contents
updiagonalstrike updiagonalstrike a 2 + b 2 strikeout line through contents from lower left to upper right
downdiagonalstrike downdiagonalstrike a 2 + b 2 strikeout line through contents from upper left to lower right
verticalstrike verticalstrike a 2 + b 2 vertical strikeout line through contents
horizontalstrike horizontalstrike a 2 + b 2 horizontal strikeout line through contents
madruwb madruwb a 2 + b 2 Arabic factorial symbol
updiagonalarrow Arrow pointing up and to the right. a 2 + b 2 diagonal arrow
phasorangle Screenshot of the phasorangle notation a 2 + b 2 phasor angle


<math display="block">
  <menclose notation="circle box">


The <menclose> element is not defined in any browser-oriented specification but you can find a description in MathML 4.

Browser compatibility

BCD tables only load in the browser