In Column B we will use a formula to check if the cells in Column C are empty or not. For example just type 2 2 in a cell of your choice and Excel will perform the requested calculation. Excel can perform an array of basic math functions and the articles listed below will show you how to create the necessary formulas to add subtract multiply or divide numbers.
1- Select the Insert menu from the ribbon and then click on the Equations dropdown arrow.
If we want to insert a formula in Excel then we need to get into the edit mode of the cell where we want to apply and then type equal sign. In order to get the correct number format use the TEXT function and specify the number format that you want to display. Add an equation to the equation gallery Select the equation you want to add. Type a name for the equation in the Create New Building Block dialog.