Microcomputer Accounting question

1. Give an example as to when would you use the "Sum" Function 2. How can "Range Names" help develop a spreadsheet 3. How is a "macro" use in a spreadsheet? 4. What cell formats would be useful to an Accountant? 5. How would the "Sorting" function help develop a spreadsheet? 6. What is the importance of having a separate "Data Input" section 7. Give an example of a custom field you might use 8. What is an "Inactive Account"? 9. What menu commands would you use to get information about an error message? 10. What is the purpose of the "Bank Reconciliation