How to Create a Sum Formula in Microsoft Excel 2003

1. Create a new file and name it for easy saving by left-clicking on the “File” tab on the command bar and selecting “Save As.”
2. Create a group of numbers in cells. Select a desired column and then create at least two or more groups of numbers in a row, from top to bottom. For example, if you were to use column “A”, then you would create a group of two or more numbers in cells “A1” and “A2”.
3. Create a sum formula for the cells. To create a sum formula, select a vacant cell and activate it by left-clicking on the desired cell. Then enter your sum formula. To create a SUM formula in Excel you use this format: SUM=(A1 A2). Before each sum formula, type in the word “SUM=” followed by the cells that will be summed in parenthesis.
4. Save your spreadsheet. Make sure to save your new spreadsheet by clicking on the “File” tab and selecting “Save.”