cn2

symbol check

W3C sample	WIRIS
[N/A]	$plus 4.56 4.56 rational 45 complex_cartesian 45 complex_polar 4.56 4.56 pi e e i i gamma infinity$

<math xmlns="http://www.w3.org/1998/Math/MathML">
  <apply>
    <csymbol cd="arith1">plus</csymbol>
    <semantics>
      <cn>4.56</cn>
      <annotation-xml cd="mathmltypes" name="type" encoding="MathML-Content">
        <ci>real</ci>
      </annotation-xml>
    </semantics>
    <semantics>
      <cn>4.56</cn>
      <annotation-xml cd="mathmltypes" name="type" encoding="MathML-Content">
        <ci>integer</ci>
      </annotation-xml>
    </semantics>
    <apply>
      <csymbol cd="nums1">rational</csymbol>
      <cn>4</cn>
      <cn>5</cn>
    </apply>
    <apply>
      <csymbol cd="complex1">complex_cartesian</csymbol>
      <cn>4</cn>
      <cn>5</cn>
    </apply>
    <apply>
      <csymbol cd="complex1">complex_polar</csymbol>
      <cn>4.56</cn>
      <cn>4.56</cn>
    </apply>
    <csymbol cd="nums1">pi</csymbol>
    <csymbol cd="nums1">e</csymbol>
    <csymbol cd="nums1">e</csymbol>
    <csymbol cd="nums1">i</csymbol>
    <csymbol cd="nums1">i</csymbol>
    <csymbol cd="nums1">gamma</csymbol>
    <csymbol cd="nums1">infinity</csymbol>
  </apply>
</math>

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