mn2

W3C sample	WIRIS
	$2, 0.123, 1,000,000, 2.1e10, 0xFFEF, MCMLXIX, twenty one$

<math xmlns="http://www.w3.org/1998/Math/MathML">
  <mrow>
    <mn>2</mn>
    <mo>,</mo>
    <mn>0.123</mn>
    <mo>,</mo>
    <mn>1,000,000</mn>
    <mo>,</mo>
    <mn>2.1e10</mn>
    <mo>,</mo>
    <mn>0xFFEF</mn>
    <mo>,</mo>
    <mn>MCMLXIX</mn>
    <mo>,</mo>
    <mn>twenty one</mn>
  </mrow>
</math>

Author: Wolfram Research