Locker John. <br/><br/>
Numerical trigonometry. 

 - ed. 
 - Aurora :  Davies,  1992. 
 - 216  p. ;    cm. 
<br/><br/>index. 
<br/><br/><label>ISBN: </label> $ 
<br/><br/><label>Subjects--Topical Terms: </label><br/>numerical trigonometry.