Nguyen, Thanh Nhan, et al. “Reseaching and Applying Table Function on CASIO FX-580VN X to Support Solving Sometypes of Mathematical Exercises in High School”. Dong Thap University Journal of Science, vol. 9, no. 3, June 2020, pp. 3-12, doi:10.52714/dthu.9.3.2020.785.