| SUM | Index Level | SWAP |
| Syntax | SUMMATION( string.expression ) |
| Category | BASIC |
| Type | Function |
| Description | returns the sum of a list of numbers delimited by attribute, value, or subvalue marks. If different orders of marks are present, the "summation" function will add the contents of all fields regardless of delimiter. |
| Options | |
| See Also | $OPTIONS |
| Example |
$options ext
equ am to char(254) print summation(3:am:3.2) The result, "6.2", will be printed to the terminal. |
| Warnings | It is necessary to use a non-default option setting to use this function. Inserting the line "$options ext" at the beginning of the source item accomplishes this. |
| Compatibility | D3 7.0 R91 |
| SUM | Index Level | SWAP |