Undo and Redo - Click the backward Undo arrow to cancel the last action you performed, whether it be entering data into a cell, formatting a cell, entering a function, etc. Click the forward Redo arrow to cancel the undo action.
Insert Hyperlink - To insert a hyperlink to a web site on tthe Internet, type the text into a cell you want to be the link that can be clicked with the mouse. Then, click the Insert Hyperlink button and enter the web address you want the text to link to and click OK.
Autosum, Function Wizard, and Sorting: Autosum is use to sum the number�s or count them or show the max value etc etc. Sorting is use to sort the number�s or the name by Alphabetical by order or against the order or Alphabetic.
Zoom - To change the size that the worksheet apppears on the screen, choose a different percentage from the Zoom menu.