Complex number is a complete topic including theoratical and mathematics. Just put some examples You know its a math TOPIC? complex number just get data from google make their 13 PPT slides, and what you write in slides discuss them in detail in MS word. Write 13 PPT Slides + 7 MS Word pages on topic ( Complex Number ) .... PPT Slides used for presentation ANd MS Word slides for their discussion just !! Do some mathematical work and some theoreticall understand ?