d to account for each
point changing independently and other computations. It is easier
to determine the probabilities empirically ('<a href="qh-optt.htm#TRn">TRn</a>') . For example, consider
computing the convex hull of the unit cube centered on the
origin. The arithmetic has 16 significant decimal digits. </p>

<blockquote>
    <p><b>Convex hull of unit cube</b> </p>
    <table border="1">
        <tr>
            <th align="left">joggle</th>
            <th align="right">error prob. </th>
        </tr>
