Danial, Roaida Tarhata M. Assessment of calculator proficiency among grade 9 students at digos city national high school/ Roaida Tarhata M. Danial, Lilyrose A. Pareja and Arkisa I. Ansa. - Digos City: UMDC March 2018. - 50 pages; 29.5 cm. Subjects--Topical Terms: Education.--Undergraduate thesis.--Mathematics Dewey Class. No.: UT 0956 / D18