The pocket calculator, invented by Sharp in the 1970s, made complex calculations more accessible and convenient for the average person.
Sushi, a dish made with vinegared rice and various fillings such as raw fish or vegetables, is one of the most famous Japanese foods and has become popular around the world.
Nagoya is Japan's fourth-largest city and a major industrial center, with a population of over 9 million people in the greater Nagoya area.
