The pocket calculator, invented by Sharp in the 1970s, made complex calculations more accessible and convenient for the average person.

During the Edo period, which lasted from the 17th to the mid-19th century, Japan was ruled by the Tokugawa shogunate and experienced a period of peace and stability.

Takoyaki, a dish made with small balls of batter filled with chopped octopus, is a popular Japanese street food.