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Tip: Find the Sign of a Number in C#

See how to determine if a number has a negative sign or positive sign.


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System.Math class has a Sign method that will help you determine if a number has a negative sign or positive sign.

//returns -1 
int negativeNumber  = System.Math.Sign(-2); 
// returns 1
int postiveNumber = System.Math.Sign(1); 
//returns 0
 int neutralNumber = Math.Sign(0); 

 

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