What is SIGN function in Excel?
The SIGN function is one of the math functions of Excel.
It Returns the sign of a number, 1 if the number is positive, zero if the number is zero, and -1 if the number is negative.
We can find this function in Math & trig category of insert function Tab.
How to use SIGN function in excel
- Click on an empty cell (like F5 )

2. Click on the fx icon (or press shift+F3)

3. In the insert function tab you will see all functions

4. Select math and trig category
5. Select SIGN function
6. Then select ok

7. In the function arguments Tab you will see SIGN function
8. Number section is any real number
9. You will see results in the formula result section

Examples of SIGN function in Excel
Example 1:
How to use SIGN function in excel
You can see examples of SIGN function below:

sign(1) ----->>>>answer is 1
sign(-1) ----->>>>answer is -1
sign(0) ----->>>>answer is 0
sign(-2) ----->>>>answer is -1
sign(2) ----->>>>answer is 1
What is the purpose of SIGN function?
It Returns the sign of a number, 1 if the number is positive, zero if the number is zero, and -1 if the number is negative.
What is the Return value of SIGN function?
It returns a number.
How many arguments does SIGN function have?
This function has just 1 Argument.
The argument of SIGN function is number.
Number section is any real number.
The argument of SIGN function is required and not optional.
SIGN(number) = number
Which version of excel supports SIGN function?
This function is available for all excel versions (2003-2019)