+ Addition operator (also concatenates strings)
- Subtraction operator
* Multiplication operator
/ Division operator
( ) Parentheses (used to group operands in expressions)
= Assignment operator
In a formula, specifies that the parameter value to be applied is the first parameter value found when scanning the specification tree from the formula to the top of the specification tree.
Defines where the value of a parameter used as an argument in a formula is to be read. A single.. exits the statement block where the formula is defined. The parameter value applied in the formula is then the one defined in the parent feature scope.