They begin with an equal sign like this. The IF function in Excel returns one value if a condition is true and another value if its false. Now look at the result if you input your formula.
In this statement there are two operands.
So for different mathematical calculations we can use the POWER function in Excel. For each of the following functions remember to add an equal sign before typing the function into a cell or Excel will see your content as textual. For example 50 20 and 50 -20 are actually the same thing. The criteria are based on dates numbers and text.