If you insert a row or column, the formula will not update to include the added row, where a SUM function will automatically update (as long as you’re not outside of the range referenced in the formula). If you delete a row or column, the formula will not update to exclude the deleted row and it will return a #REF! error, where a SUM function will automatically update.įormulas won't update references when inserting rows or columns #REF! error from deleting rows or columns SUM will ignore text values and give you the sum of just the numeric values. Your formula can break if there are any non-numeric (text) values in the referenced cells, which will return a #VALUE! error. #VALUE! errors from referencing text instead of numbers In addition, you can format the values when they’re in cells, making them much more readable then when they’re in a formula. It’s much easier to put these values in individual cells and use a SUM formula. Then try to validate that your entries are correct. Typos – Imagine trying to enter more and/or much larger values like this: The =1+2 or =A+B Method – While you can enter =1+2+3 or =A1+B1+C2 and get fully accurate results, these methods are error prone for several reasons: Much of this can be applied to working with other functions as well. This section will discuss some best practices for working with the SUM function.
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