get="_top">#7429</a>.
        </li>
<li class="listitem">
          Fixed mistake in calculating pooled standard deviation in two-sample students
          t example <a href="https://svn.boost.org/trac/boost/ticket/7402" target="_top">#7402</a>.
        </li>
<li class="listitem">
          Improve complex acos/asin/atan, see <a href="https://svn.boost.org/trac/boost/ticket/7290" target="_top">#7290</a>,
          <a href="https://svn.boost.org/trac/boost/ticket/7291" target="_top">#7291</a>.
        </li>
