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.
Example
The example may be easier to understand if you copy it to a blank worksheet.
How to copy an example
 Create a blank workbook or worksheet.
 Select the example in the Help topic.
Note Do not select the row or column headers.
Selecting an example from Help
 Press CTRL+C.
 In the worksheet, select cell A1, and press CTRL+V.
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A 
B 
Formula 
Description (Result) 
=SIGN(10) 
Sign of a positive number (1) 
=SIGN(44) 
Sign of zero (0) 
=SIGN(0.00001) 
Sign of a negative number (1) 
