Q&A for How to Use the Sum Function in Microsoft Excel

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  • Question
    How can I create a source data using auto sum for the total?
    Community Answer
    The function =SUM(Column and row to start, Column and row to end) in the cell you wish. E.g., =SUM(B2:B7).
  • Question
    How do I use the Sum function to add cells B5, B6, B9, B11?
    Community Answer
    =SUM(B5, B6, B9, B11).
  • Question
    How do I add a cell to a sum formula?
    Community Answer
    You can use =SUM(A1, B1). If you already have the above, find the name of the cell, add a comma to the end, and type in the name. An alternative to these is to type "=SUM" and then click and drag the items you would like to be included. Don't forget the closing parenthesis!
  • Question
    What is the formula to subtract a sum of cells from another cell?
    Community Answer
    =A1-SUM(A2:A10) This would work if the numbers you are trying to subtract are in cells A2 through A10 and the number you are subtracting from is in cell A1.
  • Question
    How do I tell if autosum has been used in excel or if it was done cell by cell?
    Community Answer
    If autosum was used, changing one of the numbers in the column being added will automatically change the sum as well. Check by changing one of the numbers and seeing if the sum changes.
  • Question
    How do I get averages in auto-sum?
    Community Answer
    In Excel 2010, in the Folmulas menu, click on the AutoSum symbol and select Average.
  • Question
    The sum line and the top of my spreadsheet is missing, how do I get it back?
    Community Answer
    Use the Escape key. Close the program without saving the file, and restart. When you reopen the file, it should be there; otherwise, you will have to rewrite the sum line.
  • Question
    How do I use the auto sum calculation in MS Excel?
    Community Answer
    Click into the cell end the of the cell that you want to add, and press alt and = (auto sum).
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