SIGN function

SIGN returns the algebraic sign of a number. It returns 1 if the number is positive, -1 if the number is negative, and 0 if the number is zero.

Syntax

SIGN(number)

number is a real number, the sign of which is to be determined.

Example

  • =SIGN(3.4) returns 1.
  • =SIGN(-4.5) returns -1.