From Dwayne Wright PMP, PMI-ACP, CSM
Certified FileMaker Developer
Generally, an expression is viewed as the input of a calculation such as 1+1. Now you can have what can be called a sub-expression of an expression, if that input is within parentheses (the operator name is called precedence). So our 1+1 could be called a sub-expression when utilized as 4 * (1+1).
EXPRESSION: 4 * (1+1)
SUB-EXPRESSION: (1+1) or the overall expression 4 * (1+1)
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