Plane trigonometry a calculator approach / 
Mamhot, Millard M. 
 - vi, 128 p. :  ; illus. ; (np) ; includes references  and index. ;  23 cm. 
<br/><br/><label>ISBN: </label>9789719533856 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Plane trigonometry--c2012--Manila--Newsprint.