... 7-( 3472 )-2 3-6 7-7 4 Home: Rabochaya street, 450003 Ufa, Russia Phone: 7-( 917 )-7 5-5 5-7 86 E-mails: R Sharipov@ ic.bashedu.ru, r -sharipov@ mail.ru, sharipov@ hotmail.com, URL: http:/ /www.geocities.com/r -sharipov CopyRight ... by means of parallel translations Let a be some arbitrary vector This vector also can be translated to the point O As a result we have four vectors e1 , e2 , e3 , and a beginning at the same point ... we can associate each point A of our space − → with its radius-vector rA = OA Then, having expanded this vector in a basis, we get three numbers that are called the Cartesian coordinates of A Coordinates...