Logarithms:  six place logarithms, antilogarithms and trigonometric tables 

 - Philippines:  [s.n.],  c1998 
 - 192 pages 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Logarithms--Tables<br/>Trigonometry--Tables
<br/><br/><label>Dewey Class. No.: </label>513.2