description:
| Add cells specified by a given condition or criteria. |
syntax:
| =SUMIF( range, criteria, [sum_range] ) |
required arguments:
| range | The range of cells that you want to apply the criteria against. |
| criteria | The criteria used to determine which cells to add. |
optional arguments:
| [sum_range] | The cells to add together. If sum_range is omitted, the cells in range are added together instead. |
