McCready, Richard R. <br/><br/>
Office machines :  electronic calculators /  [textbook] 
by Richard R. McCready 
 - Sixth edition / 
 - Boston :  Kent Publishing ,  1983. 
 - 224 pages :  illustrations ;  28 cm. 
<br/><br/><label>ISBN: </label>053401285 X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Business mathematics<br/>Calculating-machines
<br/><br/><label>LC Class. No.: </label>HF5695  / MCC