Beavers, Mary Kay, 1942- <br/><br/>
Essential mathematics / 
Mary Kay Beavers. 
 - New York :  Harper & Row,  c1983. 
 - xi, 611 p. : ill. 
<br/><br/> Includes index 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Arithmetic--1961