Crabtree, Douglas E. <br/><br/>
Precalculus 
Crabtree, Douglas E. 
 - ix, 598 pages:  ilusstration;  24 cm. 
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label>0-673-13176-9 
<br/><br/><label>Subjects--Topical Terms: </label>--to edit
<br/><br/><label>Dewey Class. No.: </label>512.1