Washington, Allyn J. <br/><br/>
Essentials of basic mathematics / 
Allyn J. Washington, Samuel H. Plotkin, Carolyn E. Edmond 
 - 3rd ed. 
 - Menlo Park, Calif. :  Benjamin/Cummings Pub.,  1981 
 - 476 p. :  ill. ;  24 cm. 
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label>0805395296  12.95 (est.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics--1961-