Collins Essential Calculator:  A Comprehensive multiplication Table which table Which gives a fantastic range of calculations 

 - London  William Collins sons and Co. Ltd  1975 
 - 416p. 
<br/><br/>World 
<br/><br/><label>ISBN: </label>0004342062 
<br/><br/><label>Subjects--Topical Terms: </label> Mathematics 
<br/><br/><label>Dewey Class. No.: </label>R 513.93 COL