Tweeten , Elizabeth <br/><br/>
Calculator Workbook : A Practical Approach 
By Elizabeth W. Tweeten 
 -  Wm.C. Brown Publishers  1990 
 - vi, 107 pages, 27 cm. 
<br/><br/> includes appendix and index 
<br/><br/><label>ISBN: </label>0-697-10855-4 
<br/><br/><label>Dewey Class. No.: </label>510.284 T91 1990