Raheja, Archana <br/><br/>
Numerical theater/ 
Archana Raheja 
 - New Delhi :  First Canvas Training Ventures,  2013 
 - 138 p. :  ill. ;  18 cm. 
<br/><br/> The world of arithmetic operators -- on title page 
<br/><br/><label>ISBN: </label>9788192082004 (pbk.)  Rs.220.00 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Arithmetic--Study and teaching<br/>Mathematical recreations<br/>Mathematics--Study and teaching
<br/><br/><label>Dewey Class. No.: </label>513.5