Thank you for viewing. Regarding shipping: For example, Those who purchase between the night of the 1st (Monday) and the 7th (Sunday) Shipping on the 13th (Saturday) or 14th (Sunday) Those who purchase between the night of the 8th (Monday) and the 14th (Sunday) Shipping on the 20th (Saturday) or 21st (Sunday) If you purchase multiple books: We may be able to offer a discount on shipping costs, so please comment. (This may not be possible depending on the thickness of the books) If you purchase multiple items without commenting, we will ship them as is at the original price, and may ship them together. This educational material cultivates the skills necessary for the public junior high and high school integrated entrance exams by focusing on calculation problems and building up scientific knowledge. □Features□ Calculation: Training problems to acquire accurate and quick calculation skills. Basic Problems: Problems to check basic arithmetic and basic science knowledge. By honing the basic skills of each subject, you can build the foundation of academic ability required for the public junior high and high school integrated entrance exams. Step Up: Problems that test "thinking ability," "analysis ability," and "expression ability," which are often asked in public junior high and high school integrated entrance exams. By carefully tackling practical problems, you can prepare for the public junior high and high school integrated entrance exams.