Finally, parentheses are used in Excel to nest functions. In this example, the SUM function is nested within the IFERROR function so that if the result returns an error, a blank cell is displayed: ...

You can remove leading, trailing, and extra spaces between characters and numbers in Excel using TRIM(), SUBSTITUTE() or Find and Replace.

For instance, consider the formula = (5+3)*2. In this case, Excel first calculates the sum within the parentheses: 5+3 equals 8. Then, it multiplies that result by 2, yielding a final answer of 16.