Hello please i need 10 differences of microsoft excel 2003,2007,2010?

2010vs 2007:

• Improved ribbon icons
• Loop error messaging
• Data filter functions easier
• Improved pivot tables
• Improved conditional formatting
• Improved add-in functionality between other Microsoft platforms
• 2013vs 2010
  • New analytical tools 
  • Excel2013 notices pattern in the user's data entry and then auto completes the remaining data
  • Formatting easier
  • Paste format paint bush can be clicked once, then click click click everywhere you want that format type