Scalar FunctionsMath FunctionssignCopy MarkdownReturns the sign of a numeric expression (-1, 0, or 1), preserving the input type.Syntax sign(x) Parameters PropTypexnumeric Returns: real Examples Example 1 print sign(-5) print_0 (long)-1roundReturns the rounded number to the specified precision.sinReturns the sine of the input angle in radians.