"n">Alamba</span>
<span class="w">                  </span><span class="n">sd</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="nb">SQRT</span><span class="p">(</span><span class="n">Alamba</span><span class="p">)</span>
<span class="w">                  </span><span class="k">CALL </span><span class="n">NORPPF</span><span class="p">(</span><span class="n">P</span><span class="p">,</span><span class="n">zppf</span><span class="p">)</span>
<span class="w">            