Arithmetic and calculators :  how to deal with arithmetic in the calculator age / 
William G. Chinn, Richard A. Dean, Theodore N. Tracewell. 
 - San Francisco :  W. H. Freeman,  c1978. 
 - vii, 488 p. 
<br/><br/><label>ISBN: </label>0716700166 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Arithmetic.<br/>Calculators.