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

At the sheet level, conditional running totals require focused expressions, but an Excel PivotTable requires only a few field swaps. Susan Harkins shows you how.

How to calculate average GPA in Excel? You need to use this formula to calculate the average GPA in Excel: =<cell with sum of grade values>/<total number of subjects>.

Adding a running total to a simple Microsoft Excel revenue sheet isn't difficult, but adding a conditional running total will require a bit more effort. Solutions are simpler than you might think.