Beltzner, Dale A <br/><br/>
Calculator tricks 
by Dale A. Beltzner, Jr 
 - New York  Scholastic  ©2003 
 - 32 p. : ill. ; 23 cm 
<br/><br/><label>ISBN: </label>9780439576802 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Calculators -- Problems, exercises, etc. -- Juvenile literature<br/>Mathematical recreations
<br/><br/><label>Dewey Class. No.: </label>681.145 BEL