   samples points from the interior of the unit tetrahedron in 3D.
        </li>
        <li>
          <a href = "tetrahedron01_area.m">tetrahedron01_area.m</a>
          computes the area of the unit tetrahedron in 3D.
        </li>
        <li>
          <a href = "timestamp.m">timestamp.m</a>
          prints the current YMDHMS date as a time stamp.
        </li>
      </ul>
    </p>

    <h3 align = "center">
      Examples and Tests:
    </h3>

    <p>
      <ul>
        <li>
          <a href = "tetr