Calculators in mathematics education / 
James T. Fey and Christian R. Hirsch 
 - Reston :  National Council of Teachers of Mathematics,  1992. 
 - viii, 248 p. :  ill. ;  24 cm. 
 - Yearbook (National Council of Teachers of Mathematics) ;  1992. .
<br/><br/> Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>0873533429 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics--Study and teaching.<br/>Calculators.
<br/><br/><label>LC Class. No.: </label>DUCE QA20.C34