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  1. SIGN
  2. Returns 1 when the argument number is positive, -1 when it is negative, and 0 and when it is zero.
  3.  
  4. Format: SIGN (number)
  5.  
  6. Argument:
  7. ΓÇó  number: A number or numeric expression.
  8.  
  9. Example:
  10. SIGN (123.56) returns 1.
  11. Shows that the number 123.56 is a positive number.