We have created sample data containing sales of 6 different companies in four consecutive months (from January to April). The Total Sales sheet represents the total number of sales in all four months ...

When working with spreadsheets in Microsoft Excel, you might find yourself needing to add up business data from cells across multiple spreadsheets. It is possible to make the Sum Excel formula ...

It's marginally more efficient: While the difference is negligible, the double-unary operator can be more efficient in ...

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 ...

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 ...