Julius, Edward H.,  1952- <br/><br/>
Rapid math :  tricks & tips, 30 days to number power / 
Edward H. Julius. 
 - New York :  Wiley,  c1992. 
 - ix, 229 pages :  illustrations ;  26 cm. 
<br/><br/><label>ISBN: </label>0471575631 9780471575634 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Arithmetic.