Hackworth, Robert D. <br/><br/>
Introductory college mathematics : history of real numbers 
/ by  Robert D. Hackworth 
 - Phildelphia :  W.B. Saunders,  1976 
 - 62p.; 27cm. 
<br/><br/><label>ISBN: </label>721644163 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Algebra
<br/><br/><label>Dewey Class. No.: </label>512.81  / HAC-IN