| + | Index Level | , (comma) |
| Syntax | variable += num.expression |
| Category | BASIC |
| Type | Operator, Assignment |
| Description | an assignment operator which adds a given numeric expression and assigns it to the given variable. |
| Options | |
| See Also | - num.expression PRECISION SUM /= operators arithmetic expressions precedence \= assignment arithmetic operators *= -= := * |
| Example |
x += 1
Adds "1" to the variable, "x". total += tax Is equivalent of the statement: total = total + tax |
| Warnings | |
| Compatibility | AP 5.2.5 |
| + | Index Level | , (comma) |