Contents Basics of Systems and Nodes | Using the Calculator | Basic Operators and Mathematical Functions | Other | Print page SgnReturns the signum value of the argument x. Syntaxsgn(x)Types Variable NameValue TypeVariable TypeArguments:xreal, complexscalarResult: vreal, complex scalar Calculator InputUse the sgn button to complete the operation.ExampleIDDescriptionTypeValueExpressionxArgumentREAL-4-4y Result REAL -1sgn(x) « Exp Rand »