_Operators">Heterogeneous
      Operators</a></span></dt>
<dt><span class="section"><a href="Quantities.html#boost_units.Quantities.Conversions">Conversions</a></span></dt>
<dt><span class="section"><a href="Quantities.html#boost_units.Quantities.Quantity_Construction_and_Conversion">Construction
      and Conversion of Quantities</a></span></dt>
</dl></div>
<p>
      A <span class="bold"><strong>quantity</strong></span> is defined as a value of an arbitrary
      value type that is associated with a specif