Keedy, Mervin Laverne. <br/><br/>
Essential mathematics /    
Mervin L. Keedy, Marvin L. Bittinger. 
 - 4th ed. 
 - Reading, Mass. :   Addison-Wesley Pub. Co.,   c1984. 
 - xii, 676, [54] p. :    ill. ;    28 cm. 
<br/><br/>  Includes index. 
<br/><br/><label>ISBN: </label>0201148064 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics --------Problems, exercises, etc.
<br/><br/><label>Dewey Class. No.: </label>510