Hall, Robert W. <br/><br/>
Media math / 
Robert W. Hall 
 - Chicago :  NIC Business Books,  1987. 
 - 138 p. :  illus. 
<br/><br/><label>ISBN: </label>0844231428. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematical.<br/>Calculators.
<br/><br/><label>Dewey Class. No.: </label>515  / H174M.