Calculators in mathematics education / 
[editors] James T. Fey, Chistian R. Hirsch. 
 - Reston, Va. :  The National Council of Teachers of Mathematics,  c1992. 
 - viii, 248p. : ill. ; 23 cm. 
<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>QA20   / C34C12 1992