int2

integral (a + x)dx

W3C sample	WIRIS
	$\int_0^a a+x\,d x$

<math xmlns="http://www.w3.org/1998/Math/MathML">
  <apply>
    <int/>
    <bvar>
      <ci>x</ci>
    </bvar>
    <lowlimit>
      <cn>0</cn>
    </lowlimit>
    <uplimit>
      <ci>a</ci>
    </uplimit>
    <apply>
      <plus/>
      <ci>a</ci>
      <ci>x</ci>
    </apply>
  </apply>
</math>

Author: Design Science, Inc. (E. Cannon, E. Tabacman, R.Miner)