text:  
  
  A workbook (as you would expect) is made up of pages known as***worksheets***. You can have as 
  many sheets in a workbook as your computer resources can accommodate. As a default, a new 
  blank workbook normally has 3 worksheets labelled*Sheet1*,*Sheet2*, and*Sheet3*. Of course 
  these labels are pretty boring and meaningless and can be changed to something more relevant 
  
   
  The***Insert Worksheet***button here will insert another worksheet into the current workbook 
  should you need it 