You can sum a series of numbers in Excel manually or automatically using the AutoSum tool in the ribbon. Both methods will always give you the same result, so you can use whichever one is more ...

Every Excel expert knows how to navigate without a mouse and how to format data using keyboard shortcuts. But do you know how to insert a sum without typing the formula? Have you struggled to ...

However, adding that sum is not the only function Excel ... unfamiliar with inputting formulas into Microsoft Excel, the much simpler way to get the number of unique values in an Excel column ...