<body>\r
<p><strong>Calculation of trees from alignments</strong></p>\r
<p>Trees are calculated on either the complete alignment, or just the\r
-currently selected group of sequences. There are four different\r
-calculations, using one of two distance measures and constructing the\r
-tree from one of two algorithms :\r
+currently selected group of sequences, using the functions in the\r
+<strong>Calculate→Calculate tree</strong> submenu. There are\r
+four different calculations, using one of two distance measures and\r
+constructing the tree from one of two algorithms :\r
</p>\r
<p><strong>Distance Measures</strong></p>\r
<p>Trees are calculated on the basis of a measure of similarity\r
</p>\r
<p>A newly calculated tree will be displayed in a new <a\r
href="../calculations/treeviewer.html">tree viewing window</a>. In\r
-addition, a new entry with the same tree viewer window name will be added in the <a href="../calculations/sort.html">Sort\r
-menu</a> so that the alignment can be reordered to reflect the ordering of\r
+addition, a new entry with the same tree viewer window name will be added in the Sort\r
+menu so that the alignment can be reordered to reflect the ordering of\r
the leafs of the tree. If the tree was calculated on a selected region\r
of the alignment, then the title of the tree view will reflect this.</p>\r
\r