In the near future novel "explosion" this year, we will change the topic Quantum Mechanics this year 2020 and add a moving ticker (subtitle) to make it easier to read and calm down, so that the speed can be changed in 3 stages. did. You can browse the Internet with the newest web browsing program. The map itself is equipped with a compass map that rotates in the direction in which it responds to the geomagnetic field when the button is pressed. In addition to these, a storage device that can record notes with simple operations is built in.