Conditional Processing and Logic Functions and Operators

The following list includes both WebAssign-specific and commonly-used Perl functions and operators that are available when creating questions.

ReferenceInstructor HelpWebAssign

Operation	Usage	Notes
Conditional Behavior	`if (condition) {do_if_true} else {do_if_false};`	An abbreviated form is: `(condition) ? do_if_true : do_if_false;`
Logical And, Or, Not	`&& \|\| !`	You can also use the words `and`, `or`, `not` — but the symbols have higher precedence.

Operation

Usage

Notes

Conditional Behavior

if (condition) 
{do_if_true} 
else 
{do_if_false};

An abbreviated form is:

(condition) ? 
do_if_true : 
do_if_false;

Logical And, Or, Not

&&   ||   !

You can also use the words and, or, not — but the symbols have higher precedence.