Heath mathematics 
Rucker, Walter E. 
 -  D.C. Heath and Company,  1987 
 - 396 pages 
<br/><br/>
<br/><br/><label>ISBN: </label>0-669-10269-5 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Arithmetic -- 1961-
<br/><br/><label>Dewey Class. No.: </label>510 R82h 1987