Benjamin, Arthur <br/><br/>
Secrets of mental math: the mathemagician's guide to lightning calculation and amazing math tricks / 
Arthur Benjamin and Michael Shermer. 
 - 1st ed. 
 - New York :  Three Rivers Press,  c2006. 
 - xxiv, 278 p. :  ill. ;  21 cm. 
<br/><br/> "Originally published in different form as Mathemagics by Lowell House, Los Angeles, in 1993"--T.p. verso. 
<br/><br/>Includes bibliographical references (p. [271]-272) and index. 
<br/><br/>Quick tricks : easy (and impressive) calculations -- A little give and take : mental addition and subtraction -- Products of a misspent youth : basic multiplication -- New and improved products : intermediate multiplication -- Divide and conquer : mental division -- Good enough : the art of "guesstimation" -- Math for the board : pencil-and-paper math -- A memorable chapter : memorizing numbers -- The tough stuff made easy : advanced multiplication -- Presto-digit-ation : the art of mathematical magic -- Epilogue by Michael Shermer : how math helps us think about weird things. 
<br/><br/><label>ISBN: </label>0307338401 (pbk. : alk. paper) 9780307338402 
<br/><br/><label>LCCN: </label>2005037289 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mental arithmetic--Study and teaching.<br/>Magic tricks in mathematics education.<br/>Mental calculators.
<br/><br/><label>LC Class. No.: </label>QA111  / .B44 2006 
<br/><br/><label>Dewey Class. No.: </label>510