The Microsoft Excel program includes a variety of mathematical formulas that you can apply to any cell in a spreadsheet. If your business uses an Excel file to track sales information, you can use the ...

The simplest way to add cells in Microsoft Excel is using the plus operator, such as "=A1+A2," but that method fails when adding different ranges. Ranges in describe groups of cells, such as "A1:A30" ...

Mac: The "Sum" function in spreadsheets is great, but if you're not the type to do all your list-making in Excel, coder Brett Terpstra built an OS X System Service that allows you to total up any set ...

You can make a line graph in Excel in a matter of seconds using data already entered into the spreadsheet.

You can make a bar graph in Excel by first selecting the range you want to depict, and then using the dropdown menu to select the desired chart.