trates how the <a href="http://en.wikipedia.org/wiki/Probability_density_function" target="_top">probability
          density function PDF</a> varies with the various parameters:
        </p>
<p>
          <span class="inlinemediaobject"><img src="../../../../graphs/triangular_pdf.svg" align="middle"></span>
        </p>
<p>
          and cumulative distribution function
        </p>
<p>
          <span class="inlinemediaobject"><img src="../../../../graphs/triangular_cdf.svg" align="middle"></span>
      