So what exactly is a complex number?

Grzegorz Słodkowicz jergosh at
Wed Sep 5 11:45:29 CEST 2007

>> In fact, a proper vector in physics has 4 features: point of
>> application, magnitude, direction and sense.
> so whats the "point of application" of the sum of two vectors?  Do
> tell.
I believe vectors can only be added if they have the same point of 
application. The result is then applied to the same point.


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