Complex Excel formulas include more than one operator. Understand how to use complex formulas in Excel and other programs.
In our example below, we will use cell references along with numerical values to create a complex formula that will calculate the total cost for a catering invoice. The formula will calculate the cost for each menu item and add those values together.
You can add parentheses to any equation to make it easier to read. While it won't change the result of the formula in this example, we could enclose the multiplication operations within parentheses to clarify that they will be calculated before the addition.
Your spreadsheet will not always tell you if your formula contains an error, so it's up to you to check all of your formulas. To learn how to do this, check out the Double-Check Your Formulas lesson.