You can sum a series of numbers in Microsoft Excel manually by typing in a simple formula, or automatically with a tool.

If your business uses an Excel file to track sales information, you can use the SUM formula to add up all order totals.

The most basic example of a GETPIVOTDATA formula in Microsoft Excel is when the function is used to retrieve a grand total of ...

Microsoft Excel PivotTables turn data into meaningful information, but it's difficult to add grand total rows. Read on to learn how.

If you want to display multiple subtotals in your Microsoft Excel PivotTables, learn how to use a hard-to-find setting.

The best new tool from Microsoft Excel is undoubtedly the SCAN function. Here's how to use it to calculate running totals. Find the full guide at Spreadsheet Point.