Determines the sign of a number. Returns 1 if the number is positive, zero (0) if the number is 0, and -1 if the number is negative.

Syntax

SIGN(number)

Number     is any real number.

Examples

Formula

Description (Result)

=SIGN(10)

Sign of a positive number (1)

=SIGN(4-4)

Sign of zero (0)

=SIGN(-0.00001)

Sign of a negative number (-1)

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