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Sgn

Last update:
May 18, 2026

Description

Determines the sign of a number.

Returns

  • 1, if  number  is positive.
  • 0, if  number  is 0.
  • -1, if  number  is negative.

Category

Mathematical functions

Function syntax

Sgn(number)

See also

Abs

Parameters

Parameter
Description
number
A number

Example

<h3>Sgn Example</h3> 
<p>Sgn determines the sign of a number. Returns 1 if number is positive; 
0 if number is 0; -1 if number is negative. 
<p>Sgn(14): <cfoutput>#Sgn(14)#</cfoutput> 
<p>Sgn(21-21): <cfoutput>#Sgn(21-21)#</cfoutput> 
<p>Sgn(-0.007): <cfoutput>#Sgn(-0.007)#</cfoutput>

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