Azul, Hayden U <br/><br/>
Six place logarithmic and trigonometric table / 
Hayden U. Azul. 
 - Manila, Philippines :  HYON Publishing,  n.d. 
 - 174 p. 
<br/><br/>
<br/><br/><label>Subjects--Topical Terms: </label><br/> Logarithms. <br/>Trigonometry -- Table.
<br/><br/><label>Dewey Class. No.: </label>Cir 513.922 Az85