How to use the SUM function in Excel to add individual values, cell references, ranges, or a mix of all three.

You can use a simple formula to sum numbers in a range (a group of cells), but the SUM function is easier to use when you’re working with more than a few numbers.

To quickly obtain the sum of a range of cells, select the range and see the sum displayed in the lower right-hand side of the Excel window. The Status Bar displays information regarding whatever is …

You use the SUMIF function to sum the values in a range that meet criteria that you specify. For example, suppose that in a column that contains numbers, you want to sum only the values that are …

Sum values based on one or more conditions by using the SUMIFS function in a formula.

Select a cell next to the numbers you want to sum, select AutoSum on the Home tab, press Enter, and you're done. When you select AutoSum, Excel automatically enters a formula (that uses the SUM …

The SUMIFS function, one of the math and trig functions, adds all of its arguments that meet multiple criteria. For example, you would use SUMIFS to sum the number of retailers in the country who (1) …

Adding and subtracting in Excel is easy; you just have to create a simple formula to do it. Just remember that all formulas in Excel begin with an equal sign (=), and you can use the formula bar to create …

To add up a column or row of numbers in a table, use the Formula command. Select the table cell where you want your result to appear. On the Table Layout tab, select Formula. In the Formula box, check …

How to create simple formulas in Excel using AutoSum and the SUM function, along with the add, subtract, multiply, or divide values in your worksheet.

Use SUMPRODUCT with arrays (ranges of cells) to first multiply each cell in the arrays (for example, cell B2 x C2, and then add the results up.