Tyra, M. <br/><br/>
Magical book om quicker maths 
/ by M. Tyra 
 - 3rd ed. 
 - Delhi:   BSC Publishing Co. Pvt. Ltd.,   2005. 
 - xiii, 807p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Divisibility<br/>Math<br/>Number system<br/>Probability
<br/><br/><label>Dewey Class. No.: </label>510  / TYR/M