Hayward, R. Baldwin  1829-1903 <br/><br/>
The algebra of coplanar vectors and trigonometry / 
by R. Baldwin Hayward 
 - London :  Macmillan,  1892 
 - xxix, 343 p. :  ill. ;  19 cm. 
<br/><br/> "Historical note": p. xvii-xxi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Numbers, Complex<br/>Exponential functions<br/>Series, Infinite
<br/><br/><label>Dewey Class. No.: </label>512.895