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<section id="MathMatfunc">
  <title>Mathematical Functions</title>

  <para>
    Opcodes that perform mathematical functions are 
    <link linkend="abs"><citetitle>abs</citetitle></link>, 
    <link linkend="exp"><citetitle>exp</citetitle></link>, 
    <link linkend="frac"><citetitle>frac</citetitle></link>, 
    <link linkend="int"><citetitle>int</citetitle></link>, 
    <link linkend="log"><citetitle>log</citetitle></link>, 
    <link linkend="log10"><citetitle>log10</citetitle></link>, 
    <link linkend="logbtwo"><citetitle>logbtwo</citetitle></link>, 
    <link linkend="powoftwo"><citetitle>powoftwo</citetitle></link>, and
    <link linkend="sqrt"><citetitle>sqrt</citetitle></link>.
  </para>

</section>
