-
- If
 is a positive integer then, 
- If
 then  and conversely.
- If
 then  and 
 is the additive identity.
 is the multiplicative identity.
- If
 the multiplicative inverse of  is 
- Additive inverse of
 is 
- If
 , then 
- If
 , then  is real number.
- If
 , 
- If
 , the 
 , 
 is polar form of  , where 
- If
 and  , then
 . For all integer  , is called De-Moivre’s Theorem. |
