Complex nUmber

[rahul820]

I dont have any idea in complex number??How can i declare complex number ??how can i take input through complex number??how can i declare complex number through using constructor??Any suggestion??Plz help & define it with a simple way...

[AbstractionAnon]

Did you read the complex reference page?
http://www.cplusplus.com/reference/complex/complex/

There's an example here:
http://www.cplusplus.com/reference/complex/complex/complex/