Excel SUM Function (Example + Video)
When to use Excel SUM Function
SUM function can be used to add all numbers in a range of cells.
What it Returns
It returns a number that represents the sum of all the numbers.
- number1 – the first number you want to add. It can be a cell reference, a cell range, or can be manually entered.
- [number2] – (Optional) the second number you want to add. It can be a cell reference, a cell range, or can be manually entered.
- If an argument is an array or reference, only numbers in that array or reference are counted. Empty cells, logical values, or text in the array or reference are ignored
- If any of the argument is an error, it displays an error.