The ending formula should look something like "=SUM(A1:A30,C1:C10,D4,F23:25)". Press "Enter" to add the difference ranges. How to Use the Countif & Countifs Functions in Excel. Microsoft Excel ...

One of the most important functions of Excel is its capability to perform formulas that assist users to add, multiply, divide, and subtracting numbers. When a formula is entered into an Excel ...