Adding Percentages Using Excel. Microsoft Excel allows you to quickly add percentages to a series of numbers without performing each calculation by hand.

Inserting a blank row between existing rows of data in an Excel spreadsheet can be a tedious task if you insert each row individually. Fortunately, if you know this trick, inserting rows between ...

Take advantage of relative cell references to add the same values to two different rows in Excel. Relative cell references create relationships between cells so that values entered in one cell are ...

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