COUNTS</a></li><li id="menu-1436-1" class="middle odd sf-item-23 sf-depth-4 sf-no-children"><a href="users-guide/appendix-a-external-functions/fcat.html" class="sf-depth-4">FCAT</a></li><li id="menu-1435-1" class="middle even sf-item-24 sf-depth-4 sf-no-children"><a href="users-guide/appendix-a-external-functions/fc_isubset.html" class="sf-depth-4">FC_ISUBSET</a></li><li id="menu-1450-1" class="middle odd sf-item-25 sf-depth-4 sf-no-children"><a href="users-guide/appendix-a-external-functions/FFT-IM.html" c