To copy the same formula to other cells in Excel is easy, and you can use keyboard shortcuts, AutoFill or Copy and Paste command.

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 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.

If you want to display multiple subtotals in your Microsoft Excel PivotTables, learn how to use a hard-to-find setting.

Excel was designed to write and use math or chemistry equations, so it is relatively easy to type sub letters. All you have to do is edit the cell format, and you can even type multiple sub ...