Varner, Walter W. <br/><br/>
Computing with desk calculators / 
Walter W. Varner 
 - New York :      Holt, Rinehart & Winston ,  1957 
 - viii, 108p. :  ill. ;  25 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computers<br/>Calculators<br/>Computational methods
<br/><br/><label>Dewey Class. No.: </label>510.78  / VAR