Dr. Hong Seong-dae's "The Essentials of Mathematics," a product of his hard work during his college years, has maintained its reputation as a bestseller and steady seller among mathematics reference books since its publication on August 31, 1966.
According to the 2015 revised curriculum, 『Mathematics Essentials』 consists of a basic series and a skill series, and each series consists of Mathematics (Volume 1), Mathematics (Volume 2), Mathematics I, Mathematics II, Calculus, Probability and Statistics, and Geometry.