MathML3 specification example
<math xmlns="http://www.w3.org/1998/Math/MathML"> <mstack> <mscarries> <mscarry crossout="updiagonalstrike"> <none/> </mscarry> <menclose notation="bottom"> <mn>10</mn> </menclose> </mscarries> <mn>52</mn> <msrow> <mo>-</mo> <mn>7</mn> </msrow> <msline/> <mn>45</mn> </mstack> </math>
Author: MathML3