Standard Decimal Reckoner / 

 - London :  William Collins Sons & Co,  1971 . 
 - 120 p.:  19 cm. 
<br/><br/><label>ISBN: </label>000434202x 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Decimal tables
<br/><br/><label>LC Class. No.: </label>QA47 
<br/><br/><label>Dewey Class. No.: </label>510.284