Williams K R <br/><br/>
The natural calculator:   using the natural processes of the mind for mental calculation/ 
by Williams K R 
 - New Delhi:  Motilal Banarsidass,  2003 
 - 85p. 
<br/><br/><label>ISBN: </label>9788120819610 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Vedic Mathematics<br/>Mathematics<br/>Sciences
<br/><br/><label>Dewey Class. No.: </label>510  / WIL/N