[Machine Translation] A completely new study tool that makes full use of the DS functions. The entire textbooks published by Yamakawa Publishing, which are considered required reading for students preparing for entrance exams, are included in the DS. The latest textbooks, a collection of 4-choice questions, a collection of one-question-and-one-answer questions, and a small dictionary are included in the large volume. More than 8,000 questions are included, ranging from authentic questions to questions that can be typed in with the touch pen. A new small dictionary mode has been added to provide more detailed information on the information you want to know. You can look up detailed information on important words and phrases that cannot be found in textbooks alone. The database contains more than 9,000 entries. Easy search with the software keyboard. You can also narrow down your search by entering the first 3 to 8 letters of the word you want to look up. Various functions to support learning. A cell sheet mode that hides important sections allows you to memorize and learn. A schedule function to manage your study progress and other features allow you to study in a step-by-step manner that suits you. [Players: 1 player] ( CERO Age rating: To be determined )