# Sgn

Sign = Sgn ( Number )

Returns the sign of a number.

- If the number is zero, it returns zero.
- If the number is strictly positive, it returns the integer number +1.
- If the number is strictly negative, it returns the integer number -1.

Examples

    PRINT Sgn(Pi)

    1

    PRINT Sgn(-Pi)

    -1

    PRINT Sgn(0)

    0

See also

Abs, Val

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