Snyder, Llewellyn R. <br/><br/>
Computational arithmetic / 
by Llewellyn R. Snyder 
 - New York :  McGraw Hill Book Company,  1968 
 - xi, 368 p. :  ill. ;  23 cm. 
<br/><br/><label>LCCN: </label>67-026174 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Arithmetic--Problems, exercises, etc