Altium NEXUS Documentation


Created: August 2, 2022 | Updated: August 2, 2022
This documentation page references Altium NEXUS/NEXUS Client (part of the deployed NEXUS solution), which has been discontinued. All your PCB design, data management and collaboration needs can now be delivered by Altium Designer (with Altium Designer Enterprise Subscription) and a connected Altium 365 Workspace. Check out the FAQs page for more information.

Parent page: System Query Functions - Arithmetic Functions


Returns sign value of the supplied parameter. That is, it returns an integral number, whose value depends upon the nature of the parameter's numeric value:

  • If that numeric value is positive, the number returned is 1.
  • If that numeric value is negative, the number returned is -1.
  • If that numeric value is exactly zero, the number returned is 0.


SIGN(X : Number / Numeric_String) : Number

Example Usage

Returns 1.

Returns -1.

Returns 0.


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