pTAL Reference Manual (H06.08+)

Expressions

HP pTAL Reference Manual—523746-006

5-15

Conditional Expressions

A conditional expression is a sequence of conditions and relational operators that

establishes the relationship between values. You can use conditional expressions to

direct program flow.

NOT

is an operator that produces a true state if condition has the value false:

condition

is an expression whose value is either true or false.

AND

is an operator that produces a true state if both its operands have the value true:

is an operator that produces a true state if at least one of its operands has the

value true:

Value of a Value of NOT a

True False

False True

Value of a Value of b Value of a AND b

True True True

True False False

False True False

False False False

Value of a Value of b Value of a AND b

True True True

True False True

False True True

False False False

NOT

condition

AND

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