The SUM formula can be applied to a certain number or cells or an indefinite series such as an entire column of data, which may grow or shrink at a later time.

4 ways to save time in Excel Want to be a more efficient — and effective — user of Microsoft’s spreadsheet application? These tips can do the trick.

How to Sum a Column of Zeros in Excel. You can use the Sum function in Microsoft Office Excel to sum columns of data, whether your data is in an Excel table or is simply a range in a column of ...

You can sum cells across multiple sheets in Excel. This article presents steps for Adding single-cell values or Adding values in the range of cells.

Hi everybody: I need to summarize phone calls in Excel to prove how many hours, mins and seconds I spent on the phone for something. I'm a very basic Excel user, so please spell it out for me. DAT ...

SERIESSUM function returns the sum of a power series based on the formula. Learn how to use the SERIESSUM function in Excel.

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