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.

How to Calculate Multiple Cells in Excel. Microsoft Excel is a spreadsheet program used to store and analyze data. While Excel is able to hold both text and numerical data, most of the pre ...

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

How to Do the Sum of an Indefinite Series in Excel. The Microsoft Excel program includes a variety of mathematical formulas that you can apply to any cell in a spreadsheet.