MathML - Exemple

(a + b)²

<msup>               <apply>
   <mrow>               <power/>
      <mo>(</mo>        <apply>
      <mi>a</mi>           <plus/>
      <mo>+</mo>           <ci>a</ci>
      <mi>b</mi>           <ci>b</ci>
      <mo>)</mo>        </apply>
   </mrow>              <cn>2</cn>
   <mn>2</mn>        </apply>
</msup>