Decimal numbers having digit(s) that repeat(s) infinitely such as 1/3 (.3333…) are represented by putting a horizontal line over or below the digits that repeat. <mstack> , <msrow>, and <msline> elements can be used to create decimal numbers with repeated digits as shown below.

Example

Example 1

<math xmlns = "http://www.w3.org/1998/Math/MathML">
   <mstack stackalign = "right">
      <msline length = "1"/>
      <mn> 0.3333 </mn>
   </mstack>
</math>

<math xmlns = "http://www.w3.org/1998/Math/MathML">
   <mstack stackalign="right">
      <msline length="6"/>
      <mn> 0.142857 </mn>
   </mstack>
</math> 

<math xmlns = "http://www.w3.org/1998/Math/MathML">
   <mstack stackalign="right">   
      <mn> 0.142857 </mn>
      <msline length="6"/>
   </mstack>
</math>