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.

Adding Values in Two Different Rows in Excel. Take advantage of relative cell references to add the same values to two different rows in Excel.

Excel’s BYCOL() and BYROW() functions evaluate data across columns and rows, returning an array result set allowing you to bypass a lot of work.

The sum of the column of zeros will be displayed in the cell. Alternatively, you can type in the Sum function -- "=sum ()" -- and the range to be summed if you are familiar with the Excel Sum ...

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

SUM is the spreadsheet equivalent of an open invite: it welcomes everything into the total, whether it belongs there or not.

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