**Public Function Sign( _
ByVal vX As Variant _
) As Variant**

**Sign of a real or complex number. **

**Examples:** Sign(-2) = -1
Sign(0) = 0
Sign(3) = 1
Sign("0|3") = "0|-1"
Sign("4|5") = "0.624695047554424|0.78086880944303"
Sign("4|-5") = "0.624695047554424|-0.78086880944303"
IsNull(Sign(Null)) = True

**See also:** Absolute Function
Neg Function
Conj Function
Sgn Function (Visual Basic)

**vX:** The number whose sign is returned. Function returns Null if vX is Null or cannot be fixed up to a real or complex number (as defined by the ComplexStringToReals function). Complex numbers are represented within strings as "R|I" where R is the real part and I is the imaginary part. Copyright 1996-1999 Entisoft

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