TY - BOOK AU - Hayward,R.Baldwin ED - Asutosh Collection (National Library, India) TI - The algebra of coplanar vectors and trigonometry U1 - 512.895 PY - 1892/// CY - London PB - Macmillan KW - Numbers, Complex KW - Exponential functions KW - Series, Infinite N1 - "Historical note": p. xvii-xxi ER -