text: *Continue using the previous*
  *file with this exercise...*
   Click in cell***B8***to make this 
   Type**=B3+B4+B5+B6+B7**and 
  
  the active cell 
  
  examine what is happening on 
  the screen 
  **3**
  
   Press 
  
   to enter the formula 
  
  and move to the next cell 
  
  *Notice that a calculation has*
  *now been performed. We have*
  *entered a formula in B8 that*
  *says “add the values in B3, B4,*
  *B5, B6, and B7 and show them*
  *here”…*
  
   Ensure that***C8***is the active 
  cell, type**=SUM(C3:C7)**and 
  press 
  
  *This is an alternative type of*
  *formula known as a “function”.*
  *Again a calculation will appear*
  *in the cell…*
  
   Click in cell***B8***and notice that 
  
  the formula you typed appears 
  in the Formula Bar, while the 
  result of the calculation 
  appears in the worksheet 
  
   Repeat step***5***with cell***C8***
   Click on the***File Tab***
  
  and select**Save**to save the 
  additions that have been made 