Sum/text/swriter/02/04250000.xhpSun Microsystems, Inc.converted from old format - fpeSumActivates the sum function. Note that the cursor must be in the cell where you want the sum to appear.%PRODUCTNAME recognizes the cell range for the sum function as long as the cells are filled with numbers. Prior to entering the data, you must enable the Number Recognition in the context menu of the table.Click Apply to accept the sum formula as it appears in the entry line.