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# ( ) Parentheses

Alters the order of evaluation of expressions, or groups expressions, or both.

### Syntax #1

Alters the order of evaluation in expressions.

(expression)

Within a larger expression, a single expression placed in parentheses changes the order of execution (which normally depends on the precedence of operators).

### Parameters

 expression an arithmetic or logic expression

### Syntax #2

Groups expressions.

(expression1[Â«,expression2Â»])

Parentheses can be used to group several expressions, each of which is evaluated; the grouped expression takes on the value of the last individual expression in the group.

### Parameters

 expression1 any expression expression2 any expression

### Comments

Use parentheses to group one or more expressions, each of which is evaluated. The grouped expression takes on the value of the last expression in the group.

Examples

7 * 8 – 5^2

31

7 * (8 – 5)^2

63

not Salary > 30000 or Age < 25

Result: Logically true when Salary is 29,000 and Age is 21.

not (Salary > 30000 or Age < 25)

Result: Logically false when Salary is 29,000 and Age is 21.

w = ( (let x = 5+3), (let y = 5-3), (let z = 5^3), 5.0/3.0 )

Values: x=8, y=2, z=75, w=1.7

See Also

Conventions

How To Construct Logic Expressions

How To Use Logic Expressions

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