Glenn, William H. <br/><br/>
Short cuts in computing / 
[by] William H. Glenn [and] Donovan A. Johnson. 
 - St. Louis :  Webster Pub. Co.,  c1961. 
 - Exploring mathematics on your own .
<br/><br/><label>LCCN: </label>61003713 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Arithmetic.<br/>Ready-reckoners.