Haney, Jan P.,  <br/><br/>
A look inside calculators 

 - 47 pages :   colour illustrations ;   23 cm 
<br/><br/><label>ISBN: </label>0817214070 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Calculating-machine - Literature
<br/><br/><label>Dewey Class. No.: </label>510.2