Precalculus with software applications for senior highschool / 
De Guzman, Danilo ; Quintana, Corazon 
 - rev. ed. 
 - Quezon City :  C & E Publishing, Inc.,  2021. 
 - vi, 255 p.; 25.9m. 
<br/><br/>includes glossary, index, bibliography 
<br/><br/><label>ISBN: </label>9789719815068 
<br/><br/><label>Dewey Class. No.: </label>Fil 515.2 D321 2021