History of science and technology in Japan the idea to Kihara. The Walkman was commercially released in 1979. Kei cars are a category of small automobiles invented in Japan, including passenger cars, vans, and pickup trucks. They are designed to exploit local tax and insurance relaxations, and in more rural areas are exempted from the requirement to certify that adequate parking is available for the vehicle. The world's first all-electric compact calculator was the Casio Computer Company's Model 14-A, released in 1957. The first electronic desktop calculator with on-board memory was the Casio 001, released in 1965. In 1967, Casio released the AL-1000, the world's first programmable
Compact sport utility vehicle seating for four adults and an enclosed cargo area, while their similar compact truck versions that would normally fit two and have an open load bed. The first purpose-designed unibody compact SUV, and the first with four-doors, was the Jeep Cherokee (XJ). It was introduced by American Motors Corporation in 1983 for the 1984 model year and was produced almost unchanged through 2001 in the U.S., and through 2005 in China. "Automobile" magazine called it a "masterpiece" of automotive design with room for five passengers and their cargo. The compact XJ Cherokee shared its name from the full-size SJ model,