Levy, Lawrence S. <br/><br/>
Trigonometry with calculators 
Lawrence S. Levy 
 - New York  Macmillan  1983 
 - 269p. ill. 24cm 
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label>0023704500 
<br/><br/><label>LCCN: </label>82-7116 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Trigonometry<br/>Calculating--machines