Abstract: Disclosed is an apparatus and method for recommending lectures tailored to each student by presenting lectures arranged based on a priority in consideration of learning ability, level, and region, which is different for each student, a user equipment for accessing to the apparatus, and a computer-readable recording medium for storing a program implementing the method. The apparatus includes: a membership manager for designating a region; a learning type decider for deciding learning tendency or learning level of the student; a lecture provider for providing a lecture that the student applied for among the lectures on a recommended lecture list extracted from a teacher database according to the learning tendency, the learning level, or the region; a quiz provider for providing lectures and quizzes related to the lectures again according to weak and strong parts of the student based on ‘answer to quiz related to the lecture’ submitted by the student.

Abstract: The present invention relates to a database of a learning materials and a method for providing the learning materials to a learner. The database according to the present invention comprises: a first data structure storing a plurality of learning questions, which have at least one segment phrase and key word, wherein the segment phrase has at least one word then provides a meaning to a learner; a second data structure storing a plurality of detailed materials corresponding to the segment phrase and key word; and a table storing correlation information between the first and second data structures. The database according to the present invention has the learner learning the learning materials using a computer system based on his interest and education level.

Abstract: The present invention relates to a book with various sections effectively and comfortably to study by referring to the solutions, answers and hints after working out the questions without relying on the solutions answers and hints while the students work out the questions. According to the present invention, there is provided a book with various sections comprising: a plurality of same page sheets means divided into two of more sections, sheets of each sections being formed to be turned independently each other; a front and back cover means for protecting the divided sheets means; and means for binding one side of the divided sheets means and edges of one sides of the front and back cover means together. In case the present invention, the questions are printed in one of said sections while the question explanations, hints, reference matters and correct answers are printed in the other of said sections, thereby conveniently confirming a correct answer, the question explanations, hints, reference material, etc.