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. Get the average of numbers in your cells. Next Excel adds the value of cell A3 to this result.
Select the cell D8 where TODAY function needs to be applied.
Once you select a function from the Insert Function dialog Excel will launch a function wizard which displays the name of the function each of its arguments a description of the function and each argument the current result of the function and the current result of the entire formula. In the Operation Tools dialog click Custom in the Operation section and type the formula into the text box you can see the calculating results in Preview box. Click the insert function button fx under the formula toolbar a dialog box will appear type the keyword TODAY in the search for a function box TODAY function will appear in select a function box. Enter the formula to the first cell C1 A1XNT.