Applying Multiple Sheets/text/scalc/guide/multitables.xhpsheets; insertinginserting; sheetssheets; selecting multipleappending sheetsselecting;multiple sheetsmultiple sheetscalculating;multiple sheetsMW moved "sheets;simultaneous.." to edit_multitables.xhp, transferred 2 entries from there and added "calculating;"Applying Multiple Sheets
Inserting a SheetChoose Insert - Sheet to insert a new sheet or an existing sheet from another file.Selecting Multiple SheetsThe sheet tab of the current sheet is always visible in white in front of the other sheet tabs. The other sheet tabs are gray when they are not selected. By clicking other sheet tabs while pressing Command Ctrl you can select multiple sheets.You can use Shift+CommandCtrl+Page Up or Page Down to select multiple sheets using the keyboard.Undoing a SelectionTo undo the selection of a sheet, click its sheet tab again while pressing the Command Ctrl key. The sheet that is currently visible cannot be removed from the selection.Calculating Across Multiple SheetsYou can refer to a range of sheets in a formula by specifying the first and last sheet of the range, for example, =SUM(Sheet1.A1:Sheet3.A1) sums up all A1 cells on Sheet1 through Sheet3.