An expression is a symbol or a group of symbols that PROIV can evaluate.  These symbols can be constants, variables, or operations.

Expressions can also be combinations of constants, variables, and operations, separated by operators. 

The following types of expression are available within PROIV:
 

Expression Type

Description
 

Arithmetic

Combines arithmetic operators and numeric values to give a numeric value.
 

Logical

Combines logical operators and relational expressions to give a Boolean value (true or false).
 

Relational

Combines relational operators and constants, variables or expressions, to give a Boolean value (true or false).
 

String

 Combines string operators and alphanumeric or wide values to give a string value.
 

 

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Topic ID: 520006