Casio Computer Co., Ltd. is a Japanese multinational consumer electronics and commercial electronics manufacturingcompany headquartered in Shibuya, Tokyo, Japan. Its productsinclude calculators, mobile phones, digital cameras, electronic musical instruments, and analogue and digital watches. It was founded in 1946, and in 1957 introduced the world's firstentirely electric compact calculator. It was an early digital camera innovator, and during the 1980s and 1990s, the company developed numerous affordable home electronic keyboards formusicians along with introducing the world's first mass-produced digital watches.