log1

Log base 3 of x + y

<math xmlns="http://www.w3.org/1998/Math/MathML">
  <apply>
    <csymbol cd="transc1">log</csymbol>
    <cn>3</cn>
    <apply>
      <csymbol cd="arith1">plus</csymbol>
      <ci>x</ci>
      <ci>y</ci>
    </apply>
  </apply>
</math>

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